7972207436 has 24 divisors (see below), whose sum is σ = 14149961280. Its totient is φ = 3929569232.

The previous prime is 7972207427. The next prime is 7972207469. The reversal of 7972207436 is 6347022797.

It is a super-2 number, since 2×7972207436² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129335 + ... + 180753.

It is an arithmetic number, because the mean of its divisors is an integer number (589581720).

Almost surely, 2^7972207436 is an apocalyptic number.

It is an amenable number.

7972207436 is a deficient number, since it is larger than the sum of its proper divisors (6177753844).

7972207436 is a wasteful number, since it uses less digits than its factorization.

7972207436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51973 (or 51971 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 47.

The square root of 7972207436 is about 89287.2187717817. The cubic root of 7972207436 is about 1997.6812657747.

The spelling of 7972207436 in words is "seven billion, nine hundred seventy-two million, two hundred seven thousand, four hundred thirty-six".