725420723116 has 24 divisors (see below), whose sum is σ = 1270468263456. Its totient is φ = 362429907840.

The previous prime is 725420723113. The next prime is 725420723149. The reversal of 725420723116 is 611327024527.

It is a super-2 number, since 2×725420723116² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (725420723113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30613425 + ... + 30637111.

It is an arithmetic number, because the mean of its divisors is an integer number (52936177644).

Almost surely, 2^725420723116 is an apocalyptic number.

It is an amenable number.

725420723116 is a deficient number, since it is larger than the sum of its proper divisors (545047540340).

725420723116 is a wasteful number, since it uses less digits than its factorization.

725420723116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29289 (or 29287 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 725420723116 in words is "seven hundred twenty-five billion, four hundred twenty million, seven hundred twenty-three thousand, one hundred sixteen".