749364872 has 32 divisors (see below), whose sum is σ = 1488979800. Its totient is φ = 352934400.

The previous prime is 749364871. The next prime is 749364877. The reversal of 749364872 is 278463947.

It can be written as a sum of positive squares in 4 ways, for example, as 322777156 + 426587716 = 17966^2 + 20654^2 .

It is a super-2 number, since 2×749364872² = 1123095422775152768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 749364872.

It is not an unprimeable number, because it can be changed into a prime (749364871) 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 7 ways as a sum of consecutive naturals, for example, 29879 + ... + 48902.

Almost surely, 2^749364872 is an apocalyptic number.

It is an amenable number.

749364872 is a deficient number, since it is larger than the sum of its proper divisors (739614928).

749364872 is a wasteful number, since it uses less digits than its factorization.

749364872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78857 (or 78853 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 50.

The square root of 749364872 is about 27374.5296215296. The cubic root of 749364872 is about 908.3037563937.

The spelling of 749364872 in words is "seven hundred forty-nine million, three hundred sixty-four thousand, eight hundred seventy-two".