76272404 has 36 divisors (see below), whose sum is σ = 153059004. Its totient is φ = 33126912.

The previous prime is 76272337. The next prime is 76272409. The reversal of 76272404 is 40427267.

It can be written as a sum of positive squares in 6 ways, for example, as 22543504 + 53728900 = 4748^2 + 7330^2 .

It is a super-2 number, since 2×76272404² = 11634959223878432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76272409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8174 + ... + 14810.

It is an arithmetic number, because the mean of its divisors is an integer number (4251639).

Almost surely, 2^76272404 is an apocalyptic number.

It is an amenable number.

76272404 is an abundant number, since it is smaller than the sum of its proper divisors (76786600).

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

76272404 is a wasteful number, since it uses less digits than its factorization.

76272404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6684 (or 6669 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 76272404 is about 8733.4073533759. The cubic root of 76272404 is about 424.0878318696.

The spelling of 76272404 in words is "seventy-six million, two hundred seventy-two thousand, four hundred four".