77713494 has 16 divisors (see below), whose sum is σ = 164569968. Its totient is φ = 24380672.

The previous prime is 77713487. The next prime is 77713549. The reversal of 77713494 is 49431777.

It is a Curzon number.

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, 380847 + ... + 381050.

It is an arithmetic number, because the mean of its divisors is an integer number (10285623).

Almost surely, 2^77713494 is an apocalyptic number.

77713494 is an abundant number, since it is smaller than the sum of its proper divisors (86856474).

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

77713494 is a wasteful number, since it uses less digits than its factorization.

77713494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761919.

The product of its digits is 148176, while the sum is 42.

The square root of 77713494 is about 8815.5257358821. The cubic root of 77713494 is about 426.7420885820.

The spelling of 77713494 in words is "seventy-seven million, seven hundred thirteen thousand, four hundred ninety-four".