90772694 has 4 divisors (see below), whose sum is σ = 136159044. Its totient is φ = 45386346.

The previous prime is 90772691. The next prime is 90772723. The reversal of 90772694 is 49627709.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90772691) by changing a digit.

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 as a sum of consecutive naturals, namely, 22693172 + ... + 22693175.

It is an arithmetic number, because the mean of its divisors is an integer number (34039761).

Almost surely, 2^90772694 is an apocalyptic number.

90772694 is a deficient number, since it is larger than the sum of its proper divisors (45386350).

90772694 is a wasteful number, since it uses less digits than its factorization.

90772694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45386349.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 90772694 is about 9527.4704932632. The cubic root of 90772694 is about 449.4193234497.

The spelling of 90772694 in words is "ninety million, seven hundred seventy-two thousand, six hundred ninety-four".