3691536740 has 48 divisors (see below), whose sum is σ = 8216982144. Its totient is φ = 1388275200.

The previous prime is 3691536677. The next prime is 3691536767. The reversal of 3691536740 is 476351963.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3691536691 and 3691536700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345275 + ... + 355805.

It is an arithmetic number, because the mean of its divisors is an integer number (171187128).

Almost surely, 2^3691536740 is an apocalyptic number.

It is an amenable number.

3691536740 is an abundant number, since it is smaller than the sum of its proper divisors (4525445404).

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

3691536740 is a wasteful number, since it uses less digits than its factorization.

3691536740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11588 (or 11586 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 3691536740 is about 60758.0179071042. The cubic root of 3691536740 is about 1545.5001979741.

The spelling of 3691536740 in words is "three billion, six hundred ninety-one million, five hundred thirty-six thousand, seven hundred forty".