7972134340 has 24 divisors (see below), whose sum is σ = 16745061312. Its totient is φ = 3188172000.

The previous prime is 7972134329. The next prime is 7972134431. The reversal of 7972134340 is 434312797.

It is a junction number, because it is equal to n+sod(n) for n = 7972134293 and 7972134302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59215 + ... + 139465.

It is an arithmetic number, because the mean of its divisors is an integer number (697710888).

Almost surely, 2^7972134340 is an apocalyptic number.

It is an amenable number.

7972134340 is an abundant number, since it is smaller than the sum of its proper divisors (8772926972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7972134340 is a wasteful number, since it uses less digits than its factorization.

7972134340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85227 (or 85225 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 7972134340 is about 89286.8094401407. The cubic root of 7972134340 is about 1997.6751602739.

The spelling of 7972134340 in words is "seven billion, nine hundred seventy-two million, one hundred thirty-four thousand, three hundred forty".