772744752 has 80 divisors (see below), whose sum is σ = 2388701280. Its totient is φ = 237765888.

The previous prime is 772744747. The next prime is 772744783. The reversal of 772744752 is 257447277.

It is a junction number, because it is equal to n+sod(n) for n = 772744698 and 772744707.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 63183 + ... + 74414.

It is an arithmetic number, because the mean of its divisors is an integer number (29858766).

Almost surely, 2^772744752 is an apocalyptic number.

772744752 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

772744752 is an abundant number, since it is smaller than the sum of its proper divisors (1615956528).

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

772744752 is a wasteful number, since it uses less digits than its factorization.

772744752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137627 (or 137615 counting only the distinct ones).

The product of its digits is 768320, while the sum is 45.

The square root of 772744752 is about 27798.2868536894. The cubic root of 772744752 is about 917.6534212229.

The spelling of 772744752 in words is "seven hundred seventy-two million, seven hundred forty-four thousand, seven hundred fifty-two".