77607672 has 16 divisors (see below), whose sum is σ = 194019240. Its totient is φ = 25869216.

The previous prime is 77607671. The next prime is 77607707. The reversal of 77607672 is 27670677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77607671) 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, 1616803 + ... + 1616850.

Almost surely, 2^77607672 is an apocalyptic number.

It is an amenable number.

77607672 is an abundant number, since it is smaller than the sum of its proper divisors (116411568).

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

77607672 is a wasteful number, since it uses less digits than its factorization.

77607672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233662 (or 3233658 counting only the distinct ones).

The product of its (nonzero) digits is 172872, while the sum is 42.

The square root of 77607672 is about 8809.5216669238. The cubic root of 77607672 is about 426.5483032133.

The spelling of 77607672 in words is "seventy-seven million, six hundred seven thousand, six hundred seventy-two".