372272731 has 2 divisors, whose sum is σ = 372272732. Its totient is φ = 372272730.

The previous prime is 372272723. The next prime is 372272753. The reversal of 372272731 is 137272273.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 372272731 - 2³ = 372272723 is a prime.

It is a super-2 number, since 2×372272731² = 277173972492396722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (372273731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186136365 + 186136366.

It is an arithmetic number, because the mean of its divisors is an integer number (186136366).

Almost surely, 2^372272731 is an apocalyptic number.

372272731 is a deficient number, since it is larger than the sum of its proper divisors (1).

372272731 is an equidigital number, since it uses as much as digits as its factorization.

372272731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24696, while the sum is 34.

The square root of 372272731 is about 19294.3704483976. The cubic root of 372272731 is about 719.3723510352.

The spelling of 372272731 in words is "three hundred seventy-two million, two hundred seventy-two thousand, seven hundred thirty-one".