90374767 has 6 divisors (see below), whose sum is σ = 105129888. Its totient is φ = 77464044.

The previous prime is 90374741. The next prime is 90374789. The reversal of 90374767 is 76747309.

It is a de Polignac number, because none of the positive numbers 2^k-90374767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90374717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 922143 + ... + 922240.

It is an arithmetic number, because the mean of its divisors is an integer number (17521648).

Almost surely, 2^90374767 is an apocalyptic number.

90374767 is a deficient number, since it is larger than the sum of its proper divisors (14755121).

90374767 is a wasteful number, since it uses less digits than its factorization.

90374767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844397 (or 1844390 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 43.

The square root of 90374767 is about 9506.5644162337. The cubic root of 90374767 is about 448.7616438502.

The spelling of 90374767 in words is "ninety million, three hundred seventy-four thousand, seven hundred sixty-seven".