749055216 has 160 divisors (see below), whose sum is σ = 2395402240. Its totient is φ = 196411392.

The previous prime is 749055193. The next prime is 749055277. The reversal of 749055216 is 612550947.

749055216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×749055216² = 1122167433233613312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 973680 + ... + 974448.

It is an arithmetic number, because the mean of its divisors is an integer number (14971264).

Almost surely, 2^749055216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749055216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1197701120).

749055216 is an abundant number, since it is smaller than the sum of its proper divisors (1646347024).

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

749055216 is a wasteful number, since it uses less digits than its factorization.

749055216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 1017 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 749055216 is about 27368.8731225822. The cubic root of 749055216 is about 908.1786280044.

The spelling of 749055216 in words is "seven hundred forty-nine million, fifty-five thousand, two hundred sixteen".