725061290 has 16 divisors (see below), whose sum is σ = 1317783168. Its totient is φ = 287208336.

The previous prime is 725061257. The next prime is 725061307. The reversal of 725061290 is 92160527.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350942 + ... + 353001.

It is an arithmetic number, because the mean of its divisors is an integer number (82361448).

Almost surely, 2^725061290 is an apocalyptic number.

725061290 is a deficient number, since it is larger than the sum of its proper divisors (592721878).

725061290 is a wasteful number, since it uses less digits than its factorization.

725061290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704053.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 725061290 is about 26926.9621383475. The cubic root of 725061290 is about 898.3762037667.

The spelling of 725061290 in words is "seven hundred twenty-five million, sixty-one thousand, two hundred ninety".