92752021 has 4 divisors (see below), whose sum is σ = 92850912. Its totient is φ = 92653132.

The previous prime is 92752003. The next prime is 92752027. The reversal of 92752021 is 12025729.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12025729 = 157 ⋅76597.

It is a cyclic number.

It is not a de Polignac number, because 92752021 - 2⁹ = 92751509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92752027) 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, 48025 + ... + 49918.

It is an arithmetic number, because the mean of its divisors is an integer number (23212728).

Almost surely, 2^92752021 is an apocalyptic number.

It is an amenable number.

92752021 is a deficient number, since it is larger than the sum of its proper divisors (98891).

92752021 is an equidigital number, since it uses as much as digits as its factorization.

92752021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98890.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 92752021 is about 9630.7850666496. The cubic root of 92752021 is about 452.6624403822.

The spelling of 92752021 in words is "ninety-two million, seven hundred fifty-two thousand, twenty-one".