77606372 has 12 divisors (see below), whose sum is σ = 136093440. Its totient is φ = 38722536.

The previous prime is 77606371. The next prime is 77606383. The reversal of 77606372 is 27360677.

It is not an unprimeable number, because it can be changed into a prime (77606371) by changing a digit.

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, 17972 + ... + 21867.

It is an arithmetic number, because the mean of its divisors is an integer number (11341120).

Almost surely, 2^77606372 is an apocalyptic number.

It is an amenable number.

77606372 is a deficient number, since it is larger than the sum of its proper divisors (58487068).

77606372 is a wasteful number, since it uses less digits than its factorization.

77606372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40330 (or 40328 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 38.

The square root of 77606372 is about 8809.4478828131. The cubic root of 77606372 is about 426.5459215077.

The spelling of 77606372 in words is "seventy-seven million, six hundred six thousand, three hundred seventy-two".