90743032 has 8 divisors (see below), whose sum is σ = 170143200. Its totient is φ = 45371512.

The previous prime is 90743021. The next prime is 90743039. The reversal of 90743032 is 23034709.

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90743039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5671432 + ... + 5671447.

It is an arithmetic number, because the mean of its divisors is an integer number (21267900).

Almost surely, 2^90743032 is an apocalyptic number.

It is an amenable number.

90743032 is a deficient number, since it is larger than the sum of its proper divisors (79400168).

90743032 is a wasteful number, since it uses less digits than its factorization.

90743032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11342885 (or 11342881 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 90743032 is about 9525.9137094559. The cubic root of 90743032 is about 449.3703655246.

The spelling of 90743032 in words is "ninety million, seven hundred forty-three thousand, thirty-two".