372749621 has 8 divisors (see below), whose sum is σ = 381239040. Its totient is φ = 364283568.

The previous prime is 372749603. The next prime is 372749647. The reversal of 372749621 is 126947273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 372749621 - 2¹⁴ = 372733237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372749651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28715 + ... + 39623.

It is an arithmetic number, because the mean of its divisors is an integer number (47654880).

Almost surely, 2^372749621 is an apocalyptic number.

It is an amenable number.

372749621 is a deficient number, since it is larger than the sum of its proper divisors (8489419).

372749621 is a wasteful number, since it uses less digits than its factorization.

372749621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11683.

The product of its digits is 127008, while the sum is 41.

The square root of 372749621 is about 19306.7247610774. The cubic root of 372749621 is about 719.6793975150.

The spelling of 372749621 in words is "three hundred seventy-two million, seven hundred forty-nine thousand, six hundred twenty-one".