90374613 has 16 divisors (see below), whose sum is σ = 143702016. Its totient is φ = 49397040.

The previous prime is 90374509. The next prime is 90374617. The reversal of 90374613 is 31647309.

It is not a de Polignac number, because 90374613 - 2⁹ = 90374101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90374617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93073 + ... + 94038.

It is an arithmetic number, because the mean of its divisors is an integer number (8981376).

Almost surely, 2^90374613 is an apocalyptic number.

It is an amenable number.

90374613 is a deficient number, since it is larger than the sum of its proper divisors (53327403).

90374613 is a wasteful number, since it uses less digits than its factorization.

90374613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187144.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 90374613 is about 9506.5563165638. The cubic root of 90374613 is about 448.7613889512.

The spelling of 90374613 in words is "ninety million, three hundred seventy-four thousand, six hundred thirteen".