749977056 has 60 divisors (see below), whose sum is σ = 2205669312. Its totient is φ = 249991488.

The previous prime is 749977027. The next prime is 749977069. The reversal of 749977056 is 650779947.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 749976993 and 749977011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 142080 + ... + 147263.

Almost surely, 2^749977056 is an apocalyptic number.

It is an amenable number.

749977056 is an abundant number, since it is smaller than the sum of its proper divisors (1455692256).

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

749977056 is a wasteful number, since it uses less digits than its factorization.

749977056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289365 (or 289348 counting only the distinct ones).

The product of its (nonzero) digits is 3333960, while the sum is 54.

The square root of 749977056 is about 27385.7089738425. The cubic root of 749977056 is about 908.5510314294.

The spelling of 749977056 in words is "seven hundred forty-nine million, nine hundred seventy-seven thousand, fifty-six".