90371874 has 8 divisors (see below), whose sum is σ = 180743760. Its totient is φ = 30123956.

The previous prime is 90371861. The next prime is 90371921. The reversal of 90371874 is 47817309.

It is a sphenic number, since it is the product of 3 distinct primes.

90371874 is an admirable number.

It is a super-2 number, since 2×90371874² = 16334151220543752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7530984 + ... + 7530995.

It is an arithmetic number, because the mean of its divisors is an integer number (22592970).

Almost surely, 2^90371874 is an apocalyptic number.

90371874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90371874 is a wasteful number, since it uses less digits than its factorization.

90371874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15061984.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 90371874 is about 9506.4122569979. The cubic root of 90371874 is about 448.7568553407.

The spelling of 90371874 in words is "ninety million, three hundred seventy-one thousand, eight hundred seventy-four".