749831296 has 64 divisors (see below), whose sum is σ = 1524589920. Its totient is φ = 367276032.

The previous prime is 749831267. The next prime is 749831297. The reversal of 749831296 is 692138947.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×749831296² = 1124493944922079232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (749831297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1731496 + ... + 1731928.

Almost surely, 2^749831296 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 749831296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762294960).

749831296 is an abundant number, since it is smaller than the sum of its proper divisors (774758624).

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

749831296 is a wasteful number, since it uses less digits than its factorization.

749831296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 681 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 749831296 is about 27383.0476024857. The cubic root of 749831296 is about 908.4921678603.

The spelling of 749831296 in words is "seven hundred forty-nine million, eight hundred thirty-one thousand, two hundred ninety-six".