3700712644 has 12 divisors (see below), whose sum is σ = 6634204668. Its totient is φ = 1805225600.

The previous prime is 3700712641. The next prime is 3700712683. The reversal of 3700712644 is 4462170073.

It can be written as a sum of positive squares in 2 ways, for example, as 574560900 + 3126151744 = 23970^2 + 55912^2 .

It is a super-2 number, since 2×3700712644² = 27390548146922941472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3700712641) 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, 11282497 + ... + 11282824.

It is an arithmetic number, because the mean of its divisors is an integer number (552850389).

Almost surely, 2^3700712644 is an apocalyptic number.

It is an amenable number.

3700712644 is a deficient number, since it is larger than the sum of its proper divisors (2933492024).

3700712644 is a wasteful number, since it uses less digits than its factorization.

3700712644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22565366 (or 22565364 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 3700712644 is about 60833.4829185376. The cubic root of 3700712644 is about 1546.7796676216.

The spelling of 3700712644 in words is "three billion, seven hundred million, seven hundred twelve thousand, six hundred forty-four".