749236032 has 84 divisors (see below), whose sum is σ = 2153168160. Its totient is φ = 249092352.

The previous prime is 749236031. The next prime is 749236039. The reversal of 749236032 is 230632947.

It is a happy number.

749236032 is a `hidden beast` number, since 7 + 49 + 2 + 3 + 603 + 2 = 666.

It is a super-2 number, since 2×749236032² = 1122709263294210048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749236031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251383 + ... + 254345.

Almost surely, 2^749236032 is an apocalyptic number.

749236032 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749236032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1076584080).

749236032 is an abundant number, since it is smaller than the sum of its proper divisors (1403932128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

749236032 is a wasteful number, since it uses less digits than its factorization.

749236032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420 (or 3407 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 749236032 is about 27372.1762379245. The cubic root of 749236032 is about 908.2516978359.

Adding to 749236032 its reverse (230632947), we get a palindrome (979868979).

The spelling of 749236032 in words is "seven hundred forty-nine million, two hundred thirty-six thousand, thirty-two".