76672256 has 18 divisors (see below), whose sum is σ = 153045522. Its totient is φ = 38336000.

The previous prime is 76672247. The next prime is 76672279. The reversal of 76672256 is 65227667.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 52070656 + 24601600 = 7216^2 + 4960^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149495 + ... + 150006.

It is an arithmetic number, because the mean of its divisors is an integer number (8502529).

Almost surely, 2^76672256 is an apocalyptic number.

It is an amenable number.

76672256 is a deficient number, since it is larger than the sum of its proper divisors (76373266).

76672256 is an equidigital number, since it uses as much as digits as its factorization.

76672256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299517 (or 299503 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 76672256 is about 8756.2695253173. The cubic root of 76672256 is about 424.8276228280.

The spelling of 76672256 in words is "seventy-six million, six hundred seventy-two thousand, two hundred fifty-six".