90247670 has 32 divisors (see below), whose sum is σ = 166167936. Its totient is φ = 35280000.

The previous prime is 90247667. The next prime is 90247687. The reversal of 90247670 is 7674209.

It is a self number, because there is not a number n which added to its sum of digits gives 90247670.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 119795 + ... + 120545.

It is an arithmetic number, because the mean of its divisors is an integer number (5192748).

Almost surely, 2^90247670 is an apocalyptic number.

90247670 is a deficient number, since it is larger than the sum of its proper divisors (75920266).

90247670 is a wasteful number, since it uses less digits than its factorization.

90247670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 90247670 is about 9499.8773676295. The cubic root of 90247670 is about 448.5511757488.

The spelling of 90247670 in words is "ninety million, two hundred forty-seven thousand, six hundred seventy".