7940101731 has 8 divisors (see below), whose sum is σ = 10680491280. Its totient is φ = 5246556672.

The previous prime is 7940101723. The next prime is 7940101759. The reversal of 7940101731 is 1371010497.

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

It is not a de Polignac number, because 7940101731 - 2³ = 7940101723 is a prime.

It is a super-2 number, since 2×7940101731² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 7940101692 and 7940101701.

It is not an unprimeable number, because it can be changed into a prime (7940101711) 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, 11710726 + ... + 11711403.

It is an arithmetic number, because the mean of its divisors is an integer number (1335061410).

Almost surely, 2^7940101731 is an apocalyptic number.

7940101731 is a deficient number, since it is larger than the sum of its proper divisors (2740389549).

7940101731 is a wasteful number, since it uses less digits than its factorization.

7940101731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23422245.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 7940101731 is about 89107.2484762042. The cubic root of 7940101731 is about 1994.9959678564.

The spelling of 7940101731 in words is "seven billion, nine hundred forty million, one hundred one thousand, seven hundred thirty-one".