3700720436 has 12 divisors (see below), whose sum is σ = 7401440928. Its totient is φ = 1586023032.

The previous prime is 3700720409. The next prime is 3700720453. The reversal of 3700720436 is 6340270073.

3700720436 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66084266 + ... + 66084321.

It is an arithmetic number, because the mean of its divisors is an integer number (616786744).

Almost surely, 2^3700720436 is an apocalyptic number.

It is an amenable number.

3700720436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3700720436 is a wasteful number, since it uses less digits than its factorization.

3700720436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132168598 (or 132168596 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 3700720436 is about 60833.5469621820. The cubic root of 3700720436 is about 1546.7807532232.

The spelling of 3700720436 in words is "three billion, seven hundred million, seven hundred twenty thousand, four hundred thirty-six".