3723407681720 has 32 divisors (see below), whose sum is σ = 8377750620000. Its totient is φ = 1489348257408.

The previous prime is 3723407681701. The next prime is 3723407681723. The reversal of 3723407681720 is 271867043273.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3723407681723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4184357 + ... + 4995563.

It is an arithmetic number, because the mean of its divisors is an integer number (261804706875).

Almost surely, 2^{3723407681720} is an apocalyptic number.

It is an amenable number.

3723407681720 is an abundant number, since it is smaller than the sum of its proper divisors (4654342938280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3723407681720 is a wasteful number, since it uses less digits than its factorization.

3723407681720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925967 (or 925963 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 50.

The spelling of 3723407681720 in words is "three trillion, seven hundred twenty-three billion, four hundred seven million, six hundred eighty-one thousand, seven hundred twenty".