372540673 has 2 divisors, whose sum is σ = 372540674. Its totient is φ = 372540672.

The previous prime is 372540661. The next prime is 372540743. The reversal of 372540673 is 376045273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372374209 + 166464 = 19297^2 + 408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-372540673 is a prime.

It is not a weakly prime, because it can be changed into another prime (372340673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186270336 + 186270337.

It is an arithmetic number, because the mean of its divisors is an integer number (186270337).

Almost surely, 2^372540673 is an apocalyptic number.

It is an amenable number.

372540673 is a deficient number, since it is larger than the sum of its proper divisors (1).

372540673 is an equidigital number, since it uses as much as digits as its factorization.

372540673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 37.

The square root of 372540673 is about 19301.3127273769. The cubic root of 372540673 is about 719.5448982254.

The spelling of 372540673 in words is "three hundred seventy-two million, five hundred forty thousand, six hundred seventy-three".