725610274 has 8 divisors (see below), whose sum is σ = 1088536428. Its totient is φ = 362764800.

The previous prime is 725610257. The next prime is 725610307. The reversal of 725610274 is 472016527.

It can be written as a sum of positive squares in 2 ways, for example, as 689430049 + 36180225 = 26257^2 + 6015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 13674 + ... + 40474.

Almost surely, 2^725610274 is an apocalyptic number.

725610274 is a deficient number, since it is larger than the sum of its proper divisors (362926154).

725610274 is a wasteful number, since it uses less digits than its factorization.

725610274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40340.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 725610274 is about 26937.1541555525. The cubic root of 725610274 is about 898.6028833344.

The spelling of 725610274 in words is "seven hundred twenty-five million, six hundred ten thousand, two hundred seventy-four".