90567212 has 6 divisors (see below), whose sum is σ = 158492628. Its totient is φ = 45283604.

The previous prime is 90567209. The next prime is 90567229. The reversal of 90567212 is 21276509.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11320898 + ... + 11320905.

It is an arithmetic number, because the mean of its divisors is an integer number (26415438).

Almost surely, 2^90567212 is an apocalyptic number.

It is an amenable number.

90567212 is a deficient number, since it is larger than the sum of its proper divisors (67925416).

90567212 is a wasteful number, since it uses less digits than its factorization.

90567212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22641807 (or 22641805 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 90567212 is about 9516.6807238659. The cubic root of 90567212 is about 449.0799506440.

The spelling of 90567212 in words is "ninety million, five hundred sixty-seven thousand, two hundred twelve".