90875718 has 24 divisors (see below), whose sum is σ = 199838808. Its totient is φ = 29839392.

The previous prime is 90875717. The next prime is 90875723. The reversal of 90875718 is 81757809.

It is a super-2 number, since 2×90875718² = 16516792244031048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90875713) 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, 36471 + ... + 38882.

It is an arithmetic number, because the mean of its divisors is an integer number (8326617).

Almost surely, 2^90875718 is an apocalyptic number.

90875718 is an abundant number, since it is smaller than the sum of its proper divisors (108963090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90875718 is a wasteful number, since it uses less digits than its factorization.

90875718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75428 (or 75425 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The square root of 90875718 is about 9532.8756416939. The cubic root of 90875718 is about 449.5892845128.

The spelling of 90875718 in words is "ninety million, eight hundred seventy-five thousand, seven hundred eighteen".