3720385537 has 8 divisors (see below), whose sum is σ = 4079633760. Its totient is φ = 3364642560.

The previous prime is 3720385531. The next prime is 3720385541. The reversal of 3720385537 is 7355830273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3720385537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3720385493 and 3720385502.

It is not an unprimeable number, because it can be changed into a prime (3720385531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 874087 + ... + 878332.

It is an arithmetic number, because the mean of its divisors is an integer number (509954220).

Almost surely, 2^3720385537 is an apocalyptic number.

It is an amenable number.

3720385537 is a deficient number, since it is larger than the sum of its proper divisors (359248223).

3720385537 is a wasteful number, since it uses less digits than its factorization.

3720385537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752623.

The product of its (nonzero) digits is 529200, while the sum is 43.

The square root of 3720385537 is about 60994.9632100881. The cubic root of 3720385537 is about 1549.5157053759.

The spelling of 3720385537 in words is "three billion, seven hundred twenty million, three hundred eighty-five thousand, five hundred thirty-seven".