77132752 has 20 divisors (see below), whose sum is σ = 149695776. Its totient is φ = 38501600.

The previous prime is 77132747. The next prime is 77132771. The reversal of 77132752 is 25723177.

It is a happy number.

It is a super-2 number, since 2×77132752² = 11898922862187008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6627 + ... + 14077.

Almost surely, 2^77132752 is an apocalyptic number.

It is an amenable number.

77132752 is a deficient number, since it is larger than the sum of its proper divisors (72563024).

77132752 is a wasteful number, since it uses less digits than its factorization.

77132752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8106 (or 8100 counting only the distinct ones).

The product of its digits is 20580, while the sum is 34.

The square root of 77132752 is about 8782.5253771338. The cubic root of 77132752 is about 425.6764351478.

The spelling of 77132752 in words is "seventy-seven million, one hundred thirty-two thousand, seven hundred fifty-two".