3712020731 has 8 divisors (see below), whose sum is σ = 3874306464. Its totient is φ = 3553151680.

The previous prime is 3712020721. The next prime is 3712020743. The reversal of 3712020731 is 1370202173.

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

It is a cyclic number.

It is not a de Polignac number, because 3712020731 - 2⁶ = 3712020667 is a prime.

It is a super-2 number, since 2×3712020731² = 27558195814747548722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3712020731.

It is not an unprimeable number, because it can be changed into a prime (3712020701) 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, 851951 + ... + 856296.

It is an arithmetic number, because the mean of its divisors is an integer number (484288308).

Almost surely, 2^3712020731 is an apocalyptic number.

3712020731 is a deficient number, since it is larger than the sum of its proper divisors (162285733).

3712020731 is a wasteful number, since it uses less digits than its factorization.

3712020731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708341.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 3712020731 is about 60926.3549787775. The cubic root of 3712020731 is about 1548.3535386863.

The spelling of 3712020731 in words is "three billion, seven hundred twelve million, twenty thousand, seven hundred thirty-one".