372749273 has 6 divisors (see below), whose sum is σ = 403628094. Its totient is φ = 344076096.

The previous prime is 372749257. The next prime is 372749281. The reversal of 372749273 is 372947273.

It can be written as a sum of positive squares in 3 ways, for example, as 26491609 + 346257664 = 5147^2 + 18608^2 .

It is not a de Polignac number, because 372749273 - 2⁴ = 372749257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (372749203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1102640 + ... + 1102977.

It is an arithmetic number, because the mean of its divisors is an integer number (67271349).

Almost surely, 2^372749273 is an apocalyptic number.

It is an amenable number.

372749273 is a deficient number, since it is larger than the sum of its proper divisors (30878821).

372749273 is a wasteful number, since it uses less digits than its factorization.

372749273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205643 (or 2205630 counting only the distinct ones).

The product of its digits is 444528, while the sum is 44.

The square root of 372749273 is about 19306.7157486715. The cubic root of 372749273 is about 719.6791735501.

The spelling of 372749273 in words is "three hundred seventy-two million, seven hundred forty-nine thousand, two hundred seventy-three".