90672873 has 4 divisors (see below), whose sum is σ = 120897168. Its totient is φ = 60448580.

The previous prime is 90672871. The next prime is 90672887. The reversal of 90672873 is 37827609.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90672873 - 2¹ = 90672871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90672871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15112143 + ... + 15112148.

It is an arithmetic number, because the mean of its divisors is an integer number (30224292).

Almost surely, 2^90672873 is an apocalyptic number.

It is an amenable number.

90672873 is a deficient number, since it is larger than the sum of its proper divisors (30224295).

90672873 is a wasteful number, since it uses less digits than its factorization.

90672873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30224294.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 90672873 is about 9522.2304634996. The cubic root of 90672873 is about 449.2545237403.

The spelling of 90672873 in words is "ninety million, six hundred seventy-two thousand, eight hundred seventy-three".