90347574 has 16 divisors (see below), whose sum is σ = 183171312. Its totient is φ = 29703168.

The previous prime is 90347573. The next prime is 90347591. The reversal of 90347574 is 47574309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90347573) 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, 102699 + ... + 103574.

It is an arithmetic number, because the mean of its divisors is an integer number (11448207).

Almost surely, 2^90347574 is an apocalyptic number.

90347574 is an abundant number, since it is smaller than the sum of its proper divisors (92823738).

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

90347574 is a wasteful number, since it uses less digits than its factorization.

90347574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206351.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 90347574 is about 9505.1340863767. The cubic root of 90347574 is about 448.7166298124.

The spelling of 90347574 in words is "ninety million, three hundred forty-seven thousand, five hundred seventy-four".