90344707 has 4 divisors (see below), whose sum is σ = 90371680. Its totient is φ = 90317736.

The previous prime is 90344671. The next prime is 90344711. The reversal of 90344707 is 70744309.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70744309 = 659 ⋅107351.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90344707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90344717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7608 + ... + 15445.

It is an arithmetic number, because the mean of its divisors is an integer number (22592920).

Almost surely, 2^90344707 is an apocalyptic number.

90344707 is a deficient number, since it is larger than the sum of its proper divisors (26973).

90344707 is a wasteful number, since it uses less digits than its factorization.

90344707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26972.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 90344707 is about 9504.9832719474. The cubic root of 90344707 is about 448.7118833866.

The spelling of 90344707 in words is "ninety million, three hundred forty-four thousand, seven hundred seven".