723968970 has 64 divisors (see below), whose sum is σ = 1936586880. Its totient is φ = 172136448.

The previous prime is 723968933. The next prime is 723968977. The reversal of 723968970 is 79869327.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (723968977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27667 + ... + 47046.

It is an arithmetic number, because the mean of its divisors is an integer number (30259170).

Almost surely, 2^723968970 is an apocalyptic number.

723968970 is an abundant number, since it is smaller than the sum of its proper divisors (1212617910).

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

723968970 is a wasteful number, since it uses less digits than its factorization.

723968970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74759.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 723968970 is about 26906.6714775351. The cubic root of 723968970 is about 897.9248361782.

The spelling of 723968970 in words is "seven hundred twenty-three million, nine hundred sixty-eight thousand, nine hundred seventy".