90933707 has 4 divisors (see below), whose sum is σ = 91230216. Its totient is φ = 90637200.

The previous prime is 90933701. The next prime is 90933709. The reversal of 90933707 is 70733909.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70733909 = 31 ⋅2281739.

It is a cyclic number.

It is not a de Polignac number, because 90933707 - 2⁶ = 90933643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90933701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147794 + ... + 148407.

It is an arithmetic number, because the mean of its divisors is an integer number (22807554).

Almost surely, 2^90933707 is an apocalyptic number.

90933707 is a deficient number, since it is larger than the sum of its proper divisors (296509).

90933707 is a wasteful number, since it uses less digits than its factorization.

90933707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296508.

The product of its (nonzero) digits is 35721, while the sum is 38.

The square root of 90933707 is about 9535.9166837803. The cubic root of 90933707 is about 449.6848938061.

The spelling of 90933707 in words is "ninety million, nine hundred thirty-three thousand, seven hundred seven".