76767428 has 12 divisors (see below), whose sum is σ = 134407980. Its totient is φ = 38365152.

The previous prime is 76767419. The next prime is 76767433. The reversal of 76767428 is 82476767.

It can be written as a sum of positive squares in 2 ways, for example, as 5161984 + 71605444 = 2272^2 + 8462^2 .

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, 9350 + ... + 15522.

It is an arithmetic number, because the mean of its divisors is an integer number (11200665).

Almost surely, 2^76767428 is an apocalyptic number.

It is an amenable number.

76767428 is a deficient number, since it is larger than the sum of its proper divisors (57640552).

76767428 is a wasteful number, since it uses less digits than its factorization.

76767428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9286 (or 9284 counting only the distinct ones).

The product of its digits is 790272, while the sum is 47.

The square root of 76767428 is about 8761.7023460056. The cubic root of 76767428 is about 425.0033273096.

The spelling of 76767428 in words is "seventy-six million, seven hundred sixty-seven thousand, four hundred twenty-eight".