90694718 has 4 divisors (see below), whose sum is σ = 136042080. Its totient is φ = 45347358.

The previous prime is 90694699. The next prime is 90694729. The reversal of 90694718 is 81749609.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22673678 + ... + 22673681.

It is an arithmetic number, because the mean of its divisors is an integer number (34010520).

Almost surely, 2^90694718 is an apocalyptic number.

90694718 is a deficient number, since it is larger than the sum of its proper divisors (45347362).

90694718 is a wasteful number, since it uses less digits than its factorization.

90694718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45347361.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 90694718 is about 9523.3774471035. The cubic root of 90694718 is about 449.2905991277.

The spelling of 90694718 in words is "ninety million, six hundred ninety-four thousand, seven hundred eighteen".