77399674 has 16 divisors (see below), whose sum is σ = 134104896. Its totient is φ = 33112000.

The previous prime is 77399603. The next prime is 77399683. The reversal of 77399674 is 47699377.

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 7 ways as a sum of consecutive naturals, for example, 103102 + ... + 103849.

It is an arithmetic number, because the mean of its divisors is an integer number (8381556).

Almost surely, 2^77399674 is an apocalyptic number.

77399674 is a deficient number, since it is larger than the sum of its proper divisors (56705222).

77399674 is a wasteful number, since it uses less digits than its factorization.

77399674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206981.

The product of its digits is 2000376, while the sum is 52.

The square root of 77399674 is about 8797.7084516367. The cubic root of 77399674 is about 426.1668951596.

The spelling of 77399674 in words is "seventy-seven million, three hundred ninety-nine thousand, six hundred seventy-four".