76537428 has 24 divisors (see below), whose sum is σ = 194822880. Its totient is φ = 23193120.

The previous prime is 76537403. The next prime is 76537469. The reversal of 76537428 is 82473567.

It is a self number, because there is not a number n which added to its sum of digits gives 76537428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289783 + ... + 290046.

It is an arithmetic number, because the mean of its divisors is an integer number (8117620).

Almost surely, 2^76537428 is an apocalyptic number.

It is an amenable number.

76537428 is an abundant number, since it is smaller than the sum of its proper divisors (118285452).

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

76537428 is a wasteful number, since it uses less digits than its factorization.

76537428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579847 (or 579845 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 76537428 is about 8748.5671969757. The cubic root of 76537428 is about 424.5784572264.

The spelling of 76537428 in words is "seventy-six million, five hundred thirty-seven thousand, four hundred twenty-eight".