90634970 has 32 divisors (see below), whose sum is σ = 168315840. Its totient is φ = 35118720.

The previous prime is 90634963. The next prime is 90634981. The reversal of 90634970 is 7943609.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55526 + ... + 57134.

It is an arithmetic number, because the mean of its divisors is an integer number (5259870).

Almost surely, 2^90634970 is an apocalyptic number.

90634970 is a deficient number, since it is larger than the sum of its proper divisors (77680870).

90634970 is a wasteful number, since it uses less digits than its factorization.

90634970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 90634970 is about 9520.2400179827. The cubic root of 90634970 is about 449.1919160132.

The spelling of 90634970 in words is "ninety million, six hundred thirty-four thousand, nine hundred seventy".