725280270 has 64 divisors (see below), whose sum is σ = 2044998144. Its totient is φ = 162299520.

The previous prime is 725280263. The next prime is 725280271. The reversal of 725280270 is 72082527.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725280271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80242 + ... + 88821.

It is an arithmetic number, because the mean of its divisors is an integer number (31953096).

Almost surely, 2^725280270 is an apocalyptic number.

725280270 is an abundant number, since it is smaller than the sum of its proper divisors (1319717874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725280270 is a wasteful number, since it uses less digits than its factorization.

725280270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169097.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 725280270 is about 26931.0280160264. The cubic root of 725280270 is about 898.4666359469.

The spelling of 725280270 in words is "seven hundred twenty-five million, two hundred eighty thousand, two hundred seventy".