372670879681 has 4 divisors (see below), whose sum is σ = 385521599700. Its totient is φ = 359820159664.

The previous prime is 372670879573. The next prime is 372670879709. The reversal of 372670879681 is 186978076273.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 186978076273 = 17 ⋅10998710369.

It can be written as a sum of positive squares in 2 ways, for example, as 276632869681 + 96038010000 = 525959^2 + 309900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-372670879681 is a prime.

It is a super-2 number, since 2×372670879681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (372670879081) 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, 6425359966 + ... + 6425360023.

It is an arithmetic number, because the mean of its divisors is an integer number (96380399925).

Almost surely, 2^372670879681 is an apocalyptic number.

It is an amenable number.

372670879681 is a deficient number, since it is larger than the sum of its proper divisors (12850720019).

372670879681 is a wasteful number, since it uses less digits than its factorization.

372670879681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12850720018.

The product of its (nonzero) digits is 42674688, while the sum is 64.

The spelling of 372670879681 in words is "three hundred seventy-two billion, six hundred seventy million, eight hundred seventy-nine thousand, six hundred eighty-one".