373400006731 has 4 divisors (see below), whose sum is σ = 373402157272. Its totient is φ = 373397856192.

The previous prime is 373400006699. The next prime is 373400006767. The reversal of 373400006731 is 137600004373.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 373400006731 - 2⁵ = 373400006699 is a prime.

It is a super-2 number, since 2×373400006731² (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 (373400006431) 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, 789510 + ... + 1170523.

It is an arithmetic number, because the mean of its divisors is an integer number (93350539318).

Almost surely, 2^373400006731 is an apocalyptic number.

373400006731 is a deficient number, since it is larger than the sum of its proper divisors (2150541).

373400006731 is a wasteful number, since it uses less digits than its factorization.

373400006731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150540.

The product of its (nonzero) digits is 31752, while the sum is 34.

The spelling of 373400006731 in words is "three hundred seventy-three billion, four hundred million, six thousand, seven hundred thirty-one".