7123456704 has 112 divisors (see below), whose sum is σ = 23196954368. Its totient is φ = 1878709248.

The previous prime is 7123456699. The next prime is 7123456721. The reversal of 7123456704 is 4076543217.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 186382 + ... + 221325.

It is an arithmetic number, because the mean of its divisors is an integer number (207115664).

Almost surely, 2^7123456704 is an apocalyptic number.

It is an amenable number.

7123456704 is an abundant number, since it is smaller than the sum of its proper divisors (16073497664).

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

7123456704 is a wasteful number, since it uses less digits than its factorization.

7123456704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407742 (or 407732 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 7123456704 is about 84400.5728890509. The cubic root of 7123456704 is about 1924.1116228248. Note that the first 3 decimals are identical.

The spelling of 7123456704 in words is "seven billion, one hundred twenty-three million, four hundred fifty-six thousand, seven hundred four".