725943942537 has 32 divisors (see below), whose sum is σ = 1126719121920. Its totient is φ = 411100168320.

The previous prime is 725943942533. The next prime is 725943942583. The reversal of 725943942537 is 735249349527.

It is a happy number.

It is not a de Polignac number, because 725943942537 - 2² = 725943942533 is a prime.

It is not an unprimeable number, because it can be changed into a prime (725943942533) 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, 7884403 + ... + 7975944.

It is an arithmetic number, because the mean of its divisors is an integer number (35209972560).

Almost surely, 2^725943942537 is an apocalyptic number.

It is an amenable number.

725943942537 is a deficient number, since it is larger than the sum of its proper divisors (400775179383).

725943942537 is a wasteful number, since it uses less digits than its factorization.

725943942537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15860453.

The product of its digits is 57153600, while the sum is 60.

The spelling of 725943942537 in words is "seven hundred twenty-five billion, nine hundred forty-three million, nine hundred forty-two thousand, five hundred thirty-seven".