76557948 has 12 divisors (see below), whose sum is σ = 178635240. Its totient is φ = 25519312.

The previous prime is 76557913. The next prime is 76557959. The reversal of 76557948 is 84975567.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×76557948² = 11722238803941408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 76557948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3189903 + ... + 3189926.

It is an arithmetic number, because the mean of its divisors is an integer number (14886270).

Almost surely, 2^76557948 is an apocalyptic number.

It is an amenable number.

76557948 is an abundant number, since it is smaller than the sum of its proper divisors (102077292).

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

76557948 is a wasteful number, since it uses less digits than its factorization.

76557948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379836 (or 6379834 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 51.

The square root of 76557948 is about 8749.7398818479. The cubic root of 76557948 is about 424.6163975809.

The spelling of 76557948 in words is "seventy-six million, five hundred fifty-seven thousand, nine hundred forty-eight".