725370630436 has 48 divisors (see below), whose sum is σ = 1306530449280. Its totient is φ = 352164084480.

The previous prime is 725370630427. The next prime is 725370630437. The reversal of 725370630436 is 634036073527.

It is a super-3 number, since 3×725370630436³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (725370630437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30780370 + ... + 30803926.

It is an arithmetic number, because the mean of its divisors is an integer number (27219384360).

Almost surely, 2^725370630436 is an apocalyptic number.

It is an amenable number.

725370630436 is a deficient number, since it is larger than the sum of its proper divisors (581159818844).

725370630436 is a wasteful number, since it uses less digits than its factorization.

725370630436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24484 (or 24482 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 46.

The spelling of 725370630436 in words is "seven hundred twenty-five billion, three hundred seventy million, six hundred thirty thousand, four hundred thirty-six".