7923470172 has 48 divisors (see below), whose sum is σ = 19093401600. Its totient is φ = 2554764480.

The previous prime is 7923470171. The next prime is 7923470201. The reversal of 7923470172 is 2710743297.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7923470171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1156854 + ... + 1163682.

It is an arithmetic number, because the mean of its divisors is an integer number (397779200).

Almost surely, 2^7923470172 is an apocalyptic number.

It is an amenable number.

7923470172 is an abundant number, since it is smaller than the sum of its proper divisors (11169931428).

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

7923470172 is a wasteful number, since it uses less digits than its factorization.

7923470172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9986 (or 9984 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 7923470172 is about 89013.8762890371. The cubic root of 7923470172 is about 1993.6020693995.

The spelling of 7923470172 in words is "seven billion, nine hundred twenty-three million, four hundred seventy thousand, one hundred seventy-two".