723164742 has 12 divisors (see below), whose sum is σ = 1566856980. Its totient is φ = 241054908.

The previous prime is 723164737. The next prime is 723164759. The reversal of 723164742 is 247461327.

723164742 is a `hidden beast` number, since 7 + 2 + 3 + 1 + 647 + 4 + 2 = 666.

723164742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 723164697 and 723164706.

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, 20087892 + ... + 20087927.

It is an arithmetic number, because the mean of its divisors is an integer number (130571415).

Almost surely, 2^723164742 is an apocalyptic number.

723164742 is an abundant number, since it is smaller than the sum of its proper divisors (843692238).

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

723164742 is a wasteful number, since it uses less digits than its factorization.

723164742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40175827 (or 40175824 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 723164742 is about 26891.7225554630. The cubic root of 723164742 is about 897.5922234616.

The spelling of 723164742 in words is "seven hundred twenty-three million, one hundred sixty-four thousand, seven hundred forty-two".