725526574 has 4 divisors (see below), whose sum is σ = 1088289864. Its totient is φ = 362763286.

The previous prime is 725526551. The next prime is 725526583. The reversal of 725526574 is 475625527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 475625527 = 13 ⋅36586579.

It is a self number, because there is not a number n which added to its sum of digits gives 725526574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181381642 + ... + 181381645.

It is an arithmetic number, because the mean of its divisors is an integer number (272072466).

Almost surely, 2^725526574 is an apocalyptic number.

725526574 is a deficient number, since it is larger than the sum of its proper divisors (362763290).

725526574 is a wasteful number, since it uses less digits than its factorization.

725526574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362763289.

The product of its digits is 588000, while the sum is 43.

The square root of 725526574 is about 26935.6004945128. The cubic root of 725526574 is about 898.5683303720.

The spelling of 725526574 in words is "seven hundred twenty-five million, five hundred twenty-six thousand, five hundred seventy-four".