90335972 has 6 divisors (see below), whose sum is σ = 158087958. Its totient is φ = 45167984.

The previous prime is 90335963. The next prime is 90336007. The reversal of 90335972 is 27953309.

It can be written as a sum of positive squares in only one way, i.e., 65674816 + 24661156 = 8104^2 + 4966^2 .

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 as a sum of consecutive naturals, namely, 11291993 + ... + 11292000.

It is an arithmetic number, because the mean of its divisors is an integer number (26347993).

Almost surely, 2^90335972 is an apocalyptic number.

It is an amenable number.

90335972 is a deficient number, since it is larger than the sum of its proper divisors (67751986).

90335972 is a wasteful number, since it uses less digits than its factorization.

90335972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22583997 (or 22583995 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 90335972 is about 9504.5237650289. The cubic root of 90335972 is about 448.6974216479.

The spelling of 90335972 in words is "ninety million, three hundred thirty-five thousand, nine hundred seventy-two".