725554654 has 16 divisors (see below), whose sum is σ = 1228212720. Its totient is φ = 318424960.

The previous prime is 725554637. The next prime is 725554673. The reversal of 725554654 is 456455527.

It is a self number, because there is not a number n which added to its sum of digits gives 725554654.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 567979 + ... + 569254.

It is an arithmetic number, because the mean of its divisors is an integer number (76763295).

Almost surely, 2^725554654 is an apocalyptic number.

725554654 is a deficient number, since it is larger than the sum of its proper divisors (502658066).

725554654 is a wasteful number, since it uses less digits than its factorization.

725554654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137275.

The product of its digits is 840000, while the sum is 43.

The square root of 725554654 is about 26936.1217327217. The cubic root of 725554654 is about 898.5799226298.

The spelling of 725554654 in words is "seven hundred twenty-five million, five hundred fifty-four thousand, six hundred fifty-four".