90070612 has 24 divisors (see below), whose sum is σ = 163207296. Its totient is φ = 43466688.

The previous prime is 90070609. The next prime is 90070613. The reversal of 90070612 is 21607009.

It is a super-2 number, since 2×90070612² = 16225430292109088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90070613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10443 + ... + 17005.

It is an arithmetic number, because the mean of its divisors is an integer number (6800304).

Almost surely, 2^90070612 is an apocalyptic number.

It is an amenable number.

90070612 is a deficient number, since it is larger than the sum of its proper divisors (73136684).

90070612 is a wasteful number, since it uses less digits than its factorization.

90070612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6687 (or 6685 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 90070612 is about 9490.5538299933. The cubic root of 90070612 is about 448.2576443707.

The spelling of 90070612 in words is "ninety million, seventy thousand, six hundred twelve".