90703672 has 8 divisors (see below), whose sum is σ = 170069400. Its totient is φ = 45351832.

The previous prime is 90703667. The next prime is 90703693. The reversal of 90703672 is 27630709.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×90703672² = 16454312228567168, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5668972 + ... + 5668987.

It is an arithmetic number, because the mean of its divisors is an integer number (21258675).

Almost surely, 2^90703672 is an apocalyptic number.

It is an amenable number.

90703672 is a deficient number, since it is larger than the sum of its proper divisors (79365728).

90703672 is a wasteful number, since it uses less digits than its factorization.

90703672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11337965 (or 11337961 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 90703672 is about 9523.8475418289. The cubic root of 90703672 is about 449.3053843167.

The spelling of 90703672 in words is "ninety million, seven hundred three thousand, six hundred seventy-two".