92973021 has 4 divisors (see below), whose sum is σ = 123964032. Its totient is φ = 61982012.

The previous prime is 92973007. The next prime is 92973029. The reversal of 92973021 is 12037929.

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 92973021 - 2¹⁴ = 92956637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92973029) 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, 15495501 + ... + 15495506.

It is an arithmetic number, because the mean of its divisors is an integer number (30991008).

Almost surely, 2^92973021 is an apocalyptic number.

It is an amenable number.

92973021 is a deficient number, since it is larger than the sum of its proper divisors (30991011).

92973021 is a wasteful number, since it uses less digits than its factorization.

92973021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30991010.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 92973021 is about 9642.2518635431. The cubic root of 92973021 is about 453.0216744255.

The spelling of 92973021 in words is "ninety-two million, nine hundred seventy-three thousand, twenty-one".