8712020731 has 8 divisors (see below), whose sum is σ = 8807257728. Its totient is φ = 8616960000.

The previous prime is 8712020729. The next prime is 8712020741. The reversal of 8712020731 is 1370202178.

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 8712020731 - 2¹ = 8712020729 is a prime.

It is a super-2 number, since 2×8712020731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8712020693 and 8712020702.

It is not an unprimeable number, because it can be changed into a prime (8712020741) 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, 56571 + ... + 143611.

It is an arithmetic number, because the mean of its divisors is an integer number (1100907216).

Almost surely, 2^8712020731 is an apocalyptic number.

8712020731 is a deficient number, since it is larger than the sum of its proper divisors (95236997).

8712020731 is a wasteful number, since it uses less digits than its factorization.

8712020731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88133.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 8712020731 is about 93338.2061698209. The cubic root of 8712020731 is about 2057.6569277453.

The spelling of 8712020731 in words is "eight billion, seven hundred twelve million, twenty thousand, seven hundred thirty-one".