90742936 has 32 divisors (see below), whose sum is σ = 180774000. Its totient is φ = 42581376.

The previous prime is 90742933. The next prime is 90742973. The reversal of 90742936 is 63924709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90742933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13830 + ... + 19306.

Almost surely, 2^90742936 is an apocalyptic number.

It is an amenable number.

90742936 is a deficient number, since it is larger than the sum of its proper divisors (90031064).

90742936 is a wasteful number, since it uses less digits than its factorization.

90742936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611 (or 5607 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 90742936 is about 9525.9086705679. The cubic root of 90742936 is about 449.3702070567.

The spelling of 90742936 in words is "ninety million, seven hundred forty-two thousand, nine hundred thirty-six".