90734975 has 12 divisors (see below), whose sum is σ = 118433640. Its totient is φ = 68767200.

The previous prime is 90734971. The next prime is 90734983. The reversal of 90734975 is 57943709.

It is a happy number.

It is not a de Polignac number, because 90734975 - 2² = 90734971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90734971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95036 + ... + 95985.

It is an arithmetic number, because the mean of its divisors is an integer number (9869470).

Almost surely, 2^90734975 is an apocalyptic number.

90734975 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

90734975 is a deficient number, since it is larger than the sum of its proper divisors (27698665).

90734975 is a wasteful number, since it uses less digits than its factorization.

90734975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191050 (or 191045 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 90734975 is about 9525.4908010034. The cubic root of 90734975 is about 449.3570653879.

The spelling of 90734975 in words is "ninety million, seven hundred thirty-four thousand, nine hundred seventy-five".