77630694 has 16 divisors (see below), whose sum is σ = 163433280. Its totient is φ = 24514920.

The previous prime is 77630669. The next prime is 77630717. The reversal of 77630694 is 49603677.

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 7 ways as a sum of consecutive naturals, for example, 340372 + ... + 340599.

It is an arithmetic number, because the mean of its divisors is an integer number (10214580).

Almost surely, 2^77630694 is an apocalyptic number.

77630694 is an abundant number, since it is smaller than the sum of its proper divisors (85802586).

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

77630694 is a wasteful number, since it uses less digits than its factorization.

77630694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680995.

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 77630694 is about 8810.8282244066. The cubic root of 77630694 is about 426.5904769827.

The spelling of 77630694 in words is "seventy-seven million, six hundred thirty thousand, six hundred ninety-four".