749392512 has 256 divisors, whose sum is σ = 2303078400. Its totient is φ = 213811200.

The previous prime is 749392489. The next prime is 749392517. The reversal of 749392512 is 215293947.

It is not an unprimeable number, because it can be changed into a prime (749392517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7725648 + ... + 7725744.

It is an arithmetic number, because the mean of its divisors is an integer number (8996400).

Almost surely, 2^749392512 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 749392512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1151539200).

749392512 is an abundant number, since it is smaller than the sum of its proper divisors (1553685888).

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

749392512 is a wasteful number, since it uses less digits than its factorization.

749392512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 203 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 749392512 is about 27375.0344657317. The cubic root of 749392512 is about 908.3149237204.

The spelling of 749392512 in words is "seven hundred forty-nine million, three hundred ninety-two thousand, five hundred twelve".