7970739841 has 9 divisors (see below), whose sum is σ = 8088037059. Its totient is φ = 7855123536.

The previous prime is 7970739817. The next prime is 7970739853. The reversal of 7970739841 is 1489370797.

The square root of 7970739841 is 89279.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4524580225 + 3446159616 = 67265^2 + 58704^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7970739841 is a prime.

It is a super-2 number, since 2×7970739841² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7970739041) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6516756 + ... + 6517978.

Almost surely, 2^7970739841 is an apocalyptic number.

7970739841 is the 89279-th square number.

7970739841 is the 44640-th centered octagonal number.

It is an amenable number.

7970739841 is a deficient number, since it is larger than the sum of its proper divisors (117297218).

7970739841 is an frugal number, since it uses more digits than its factorization.

7970739841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 55.

The cubic root of 7970739841 is about 1997.5586745943.

The spelling of 7970739841 in words is "seven billion, nine hundred seventy million, seven hundred thirty-nine thousand, eight hundred forty-one".