90702007 has 16 divisors (see below), whose sum is σ = 101806848. Its totient is φ = 80095680.

The previous prime is 90701999. The next prime is 90702013. The reversal of 90702007 is 70020709.

It is a cyclic number.

It is not a de Polignac number, because 90702007 - 2³ = 90701999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90702047) 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 15 ways as a sum of consecutive naturals, for example, 109798 + ... + 110620.

It is an arithmetic number, because the mean of its divisors is an integer number (6362928).

Almost surely, 2^90702007 is an apocalyptic number.

90702007 is a deficient number, since it is larger than the sum of its proper divisors (11104841).

90702007 is a wasteful number, since it uses less digits than its factorization.

90702007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 90702007 is about 9523.7601292767. The cubic root of 90702007 is about 449.3026350783.

The spelling of 90702007 in words is "ninety million, seven hundred two thousand, seven".