890173672 has 32 divisors (see below), whose sum is σ = 1700143200. Its totient is φ = 436872384.

The previous prime is 890173663. The next prime is 890173681. The reversal of 890173672 is 276371098.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (890173663) and next prime (890173681).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99979 + ... + 108517.

It is an arithmetic number, because the mean of its divisors is an integer number (53129475).

Almost surely, 2^890173672 is an apocalyptic number.

It is an amenable number.

890173672 is a deficient number, since it is larger than the sum of its proper divisors (809969528).

890173672 is a wasteful number, since it uses less digits than its factorization.

890173672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8785 (or 8781 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 890173672 is about 29835.7783877009. The cubic root of 890173672 is about 961.9627350015.

The spelling of 890173672 in words is "eight hundred ninety million, one hundred seventy-three thousand, six hundred seventy-two".