749776032 has 36 divisors (see below), whose sum is σ = 2132176410. Its totient is φ = 249925248.

The previous prime is 749776019. The next prime is 749776091. The reversal of 749776032 is 230677947.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 585833616 + 163942416 = 24204^2 + 12804^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1301407 + ... + 1301982.

Almost surely, 2^749776032 is an apocalyptic number.

749776032 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

749776032 is an abundant number, since it is smaller than the sum of its proper divisors (1382400378).

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

749776032 is a wasteful number, since it uses less digits than its factorization.

749776032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603405 (or 2603394 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The square root of 749776032 is about 27382.0384924132. The cubic root of 749776032 is about 908.4698481088.

The spelling of 749776032 in words is "seven hundred forty-nine million, seven hundred seventy-six thousand, thirty-two".