392772273 has 4 divisors (see below), whose sum is σ = 523696368. Its totient is φ = 261848180.

The previous prime is 392772271. The next prime is 392772307. The reversal of 392772273 is 372277293.

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: 372277293 = 3 ⋅124092431.

It is a cyclic number.

It is not a de Polignac number, because 392772273 - 2¹ = 392772271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (392772271) 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, 65462043 + ... + 65462048.

It is an arithmetic number, because the mean of its divisors is an integer number (130924092).

Almost surely, 2^392772273 is an apocalyptic number.

It is an amenable number.

392772273 is a deficient number, since it is larger than the sum of its proper divisors (130924095).

392772273 is a wasteful number, since it uses less digits than its factorization.

392772273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130924094.

The product of its digits is 222264, while the sum is 42.

The square root of 392772273 is about 19818.4831155162. The cubic root of 392772273 is about 732.3414360895.

The spelling of 392772273 in words is "three hundred ninety-two million, seven hundred seventy-two thousand, two hundred seventy-three".