725023261370066 has 32 divisors (see below), whose sum is σ = 1094438570913792. Its totient is φ = 360215967983760.

The previous prime is 725023261370017. The next prime is 725023261370113. The reversal of 725023261370066 is 660073162320527.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 725023261369996 and 725023261370023.

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, 5751944255 + ... + 5752070301.

It is an arithmetic number, because the mean of its divisors is an integer number (34201205341056).

Almost surely, 2^{725023261370066} is an apocalyptic number.

725023261370066 is a deficient number, since it is larger than the sum of its proper divisors (369415309543726).

725023261370066 is a wasteful number, since it uses less digits than its factorization.

725023261370066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147974.

The product of its (nonzero) digits is 3810240, while the sum is 50.

The spelling of 725023261370066 in words is "seven hundred twenty-five trillion, twenty-three billion, two hundred sixty-one million, three hundred seventy thousand, sixty-six".