90722092 has 12 divisors (see below), whose sum is σ = 164238480. Its totient is φ = 43796816.

The previous prime is 90722083. The next prime is 90722101. The reversal of 90722092 is 29022709.

It is an interprime number because it is at equal distance from previous prime (90722083) and next prime (90722101).

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 3 ways as a sum of consecutive naturals, for example, 390928 + ... + 391159.

It is an arithmetic number, because the mean of its divisors is an integer number (13686540).

Almost surely, 2^90722092 is an apocalyptic number.

It is an amenable number.

90722092 is a deficient number, since it is larger than the sum of its proper divisors (73516388).

90722092 is a wasteful number, since it uses less digits than its factorization.

90722092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782120 (or 782118 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 90722092 is about 9524.8145388769. The cubic root of 90722092 is about 449.3357970692.

The spelling of 90722092 in words is "ninety million, seven hundred twenty-two thousand, ninety-two".