725361550 has 24 divisors (see below), whose sum is σ = 1356181056. Its totient is φ = 288637440.

The previous prime is 725361547. The next prime is 725361583. The reversal of 725361550 is 55163527.

725361550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×725361550² = 1052298756436805000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27934 + ... + 47233.

It is an arithmetic number, because the mean of its divisors is an integer number (56507544).

Almost surely, 2^725361550 is an apocalyptic number.

725361550 is a deficient number, since it is larger than the sum of its proper divisors (630819506).

725361550 is a wasteful number, since it uses less digits than its factorization.

725361550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75372 (or 75367 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 725361550 is about 26932.5370138054. The cubic root of 725361550 is about 898.5001975199.

The spelling of 725361550 in words is "seven hundred twenty-five million, three hundred sixty-one thousand, five hundred fifty".