7949993472 has 60 divisors (see below), whose sum is σ = 22944232740. Its totient is φ = 2649996288.

The previous prime is 7949993449. The next prime is 7949993497. The reversal of 7949993472 is 2743999497.

7949993472 is a `hidden beast` number, since 79 + 4 + 9 + 9 + 93 + 472 = 666.

It is a super-2 number, since 2×7949993472² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 858022 + ... + 867237.

It is an arithmetic number, because the mean of its divisors is an integer number (382403879).

Almost surely, 2^7949993472 is an apocalyptic number.

7949993472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7949993472 is an abundant number, since it is smaller than the sum of its proper divisors (14994239268).

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

7949993472 is a wasteful number, since it uses less digits than its factorization.

7949993472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725283 (or 1725264 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 63.

The square root of 7949993472 is about 89162.7358934213. The cubic root of 7949993472 is about 1995.8240762321.

The spelling of 7949993472 in words is "seven billion, nine hundred forty-nine million, nine hundred ninety-three thousand, four hundred seventy-two".