90374774 has 32 divisors (see below), whose sum is σ = 162279936. Its totient is φ = 36907200.

The previous prime is 90374741. The next prime is 90374789. The reversal of 90374774 is 47747309.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150074 + ... + 150674.

It is an arithmetic number, because the mean of its divisors is an integer number (5071248).

Almost surely, 2^90374774 is an apocalyptic number.

90374774 is a deficient number, since it is larger than the sum of its proper divisors (71905162).

90374774 is a wasteful number, since it uses less digits than its factorization.

90374774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 90374774 is about 9506.5647844003. The cubic root of 90374774 is about 448.7616554365.

The spelling of 90374774 in words is "ninety million, three hundred seventy-four thousand, seven hundred seventy-four".