7932971442 has 32 divisors (see below), whose sum is σ = 17355515904. Its totient is φ = 2397373200.

The previous prime is 7932971429. The next prime is 7932971521. The reversal of 7932971442 is 2441792397.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7932971391 and 7932971400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139534 + ... + 187977.

It is an arithmetic number, because the mean of its divisors is an integer number (542359872).

Almost surely, 2^7932971442 is an apocalyptic number.

7932971442 is an abundant number, since it is smaller than the sum of its proper divisors (9422544462).

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

7932971442 is a wasteful number, since it uses less digits than its factorization.

7932971442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327894.

The product of its digits is 762048, while the sum is 48.

The square root of 7932971442 is about 89067.2298996662. The cubic root of 7932971442 is about 1994.3986137147.

The spelling of 7932971442 in words is "seven billion, nine hundred thirty-two million, nine hundred seventy-one thousand, four hundred forty-two".