76542650 has 12 divisors (see below), whose sum is σ = 142369422. Its totient is φ = 30617040.

The previous prime is 76542611. The next prime is 76542667. The reversal of 76542650 is 5624567.

76542650 = 973² + 974² + ... + 1047².

It can be written as a sum of positive squares in 3 ways, for example, as 35081929 + 41460721 = 5923^2 + 6439^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 76542650.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 765377 + ... + 765476.

Almost surely, 2^76542650 is an apocalyptic number.

76542650 is a deficient number, since it is larger than the sum of its proper divisors (65826772).

76542650 is a wasteful number, since it uses less digits than its factorization.

76542650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530865 (or 1530860 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 76542650 is about 8748.8656407559. The cubic root of 76542650 is about 424.5881130612.

The spelling of 76542650 in words is "seventy-six million, five hundred forty-two thousand, six hundred fifty".