3973737307 has 4 divisors (see below), whose sum is σ = 3983952960. Its totient is φ = 3963521656.

The previous prime is 3973737283. The next prime is 3973737319. The reversal of 3973737307 is 7037373793.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3973737307 is a prime.

It is a super-2 number, since 2×3973737307² = 31581176370087224498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3973777307) 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, 5107243 + ... + 5108020.

It is an arithmetic number, because the mean of its divisors is an integer number (995988240).

Almost surely, 2^3973737307 is an apocalyptic number.

3973737307 is a deficient number, since it is larger than the sum of its proper divisors (10215653).

3973737307 is a wasteful number, since it uses less digits than its factorization.

3973737307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10215652.

The product of its (nonzero) digits is 1750329, while the sum is 49.

The square root of 3973737307 is about 63037.5864623639. The cubic root of 3973737307 is about 1583.9193019280.

The spelling of 3973737307 in words is "three billion, nine hundred seventy-three million, seven hundred thirty-seven thousand, three hundred seven".