372648813 has 4 divisors (see below), whose sum is σ = 496865088. Its totient is φ = 248432540.

The previous prime is 372648797. The next prime is 372648929. The reversal of 372648813 is 318846273.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 372648813 - 2⁴ = 372648797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372648013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62108133 + ... + 62108138.

It is an arithmetic number, because the mean of its divisors is an integer number (124216272).

Almost surely, 2^372648813 is an apocalyptic number.

It is an amenable number.

372648813 is a deficient number, since it is larger than the sum of its proper divisors (124216275).

372648813 is a wasteful number, since it uses less digits than its factorization.

372648813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124216274.

The product of its digits is 193536, while the sum is 42.

The square root of 372648813 is about 19304.1138879773. The cubic root of 372648813 is about 719.6145139418.

The spelling of 372648813 in words is "three hundred seventy-two million, six hundred forty-eight thousand, eight hundred thirteen".