3723666136 has 16 divisors (see below), whose sum is σ = 6982606800. Its totient is φ = 1861637664.

The previous prime is 3723666131. The next prime is 3723666137. The reversal of 3723666136 is 6316663273.

It is a junction number, because it is equal to n+sod(n) for n = 3723666092 and 3723666101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3723666131) 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, 85845 + ... + 121723.

It is an arithmetic number, because the mean of its divisors is an integer number (436412925).

Almost surely, 2^3723666136 is an apocalyptic number.

It is an amenable number.

3723666136 is a deficient number, since it is larger than the sum of its proper divisors (3258940664).

3723666136 is a wasteful number, since it uses less digits than its factorization.

3723666136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48858 (or 48854 counting only the distinct ones).

The product of its digits is 489888, while the sum is 43.

The square root of 3723666136 is about 61021.8496605929. The cubic root of 3723666136 is about 1549.9710207555.

The spelling of 3723666136 in words is "three billion, seven hundred twenty-three million, six hundred sixty-six thousand, one hundred thirty-six".