76249408 has 28 divisors (see below), whose sum is σ = 151739092. Its totient is φ = 38016000.

The previous prime is 76249399. The next prime is 76249487. The reversal of 76249408 is 80494267.

It can be written as a sum of positive squares in 2 ways, for example, as 46131264 + 30118144 = 6792^2 + 5488^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23908 + ... + 26908.

Almost surely, 2^76249408 is an apocalyptic number.

It is an amenable number.

76249408 is a deficient number, since it is larger than the sum of its proper divisors (75489684).

76249408 is a wasteful number, since it uses less digits than its factorization.

76249408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410 (or 3400 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 76249408 is about 8732.0907003993. The cubic root of 76249408 is about 424.0452069990.

The spelling of 76249408 in words is "seventy-six million, two hundred forty-nine thousand, four hundred eight".