372639493 has 2 divisors, whose sum is σ = 372639494. Its totient is φ = 372639492.

The previous prime is 372639481. The next prime is 372639511. The reversal of 372639493 is 394936273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328987044 + 43652449 = 18138^2 + 6607^2 .

It is an emirp because it is prime and its reverse (394936273) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-372639493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (372639403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186319746 + 186319747.

It is an arithmetic number, because the mean of its divisors is an integer number (186319747).

Almost surely, 2^372639493 is an apocalyptic number.

It is an amenable number.

372639493 is a deficient number, since it is larger than the sum of its proper divisors (1).

372639493 is an equidigital number, since it uses as much as digits as its factorization.

372639493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 46.

The square root of 372639493 is about 19303.8724871462. The cubic root of 372639493 is about 719.6085146713.

The spelling of 372639493 in words is "three hundred seventy-two million, six hundred thirty-nine thousand, four hundred ninety-three".