3721674440 has 48 divisors (see below), whose sum is σ = 9204235740. Its totient is φ = 1353334400.

The previous prime is 3721674401. The next prime is 3721674443. The reversal of 3721674440 is 444761273.

It can be written as a sum of positive squares in 2 ways, for example, as 3557168164 + 164506276 = 59642^2 + 12826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3721674394 and 3721674403.

It is not an unprimeable number, because it can be changed into a prime (3721674443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379631 + ... + 389310.

Almost surely, 2^3721674440 is an apocalyptic number.

It is an amenable number.

3721674440 is an abundant number, since it is smaller than the sum of its proper divisors (5482561300).

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

3721674440 is a wasteful number, since it uses less digits than its factorization.

3721674440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768974 (or 768959 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 3721674440 is about 61005.5279462443. The cubic root of 3721674440 is about 1549.6946245434.

The spelling of 3721674440 in words is "three billion, seven hundred twenty-one million, six hundred seventy-four thousand, four hundred forty".