7906143972 has 48 divisors (see below), whose sum is σ = 18688138560. Its totient is φ = 2601209472.

The previous prime is 7906143961. The next prime is 7906143977. The reversal of 7906143972 is 2793416097.

It is a happy number.

It is a super-2 number, since 2×7906143972² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7906143977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344554 + ... + 366782.

It is an arithmetic number, because the mean of its divisors is an integer number (389336220).

Almost surely, 2^7906143972 is an apocalyptic number.

It is a pronic number, being equal to 88916×88917.

It is an amenable number.

7906143972 is an abundant number, since it is smaller than the sum of its proper divisors (10781994588).

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

7906143972 is a wasteful number, since it uses less digits than its factorization.

7906143972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22620 (or 22618 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 7906143972 is about 88916.4999985942. The cubic root of 7906143972 is about 1992.1478767577.

The spelling of 7906143972 in words is "seven billion, nine hundred six million, one hundred forty-three thousand, nine hundred seventy-two".