725567290 has 32 divisors (see below), whose sum is σ = 1497947904. Its totient is φ = 247873920.

The previous prime is 725567267. The next prime is 725567291. The reversal of 725567290 is 92765527.

It is not an unprimeable number, because it can be changed into a prime (725567291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1227 + ... + 38113.

It is an arithmetic number, because the mean of its divisors is an integer number (46810872).

Almost surely, 2^725567290 is an apocalyptic number.

725567290 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

725567290 is an abundant number, since it is smaller than the sum of its proper divisors (772380614).

725567290 is a wasteful number, since it uses less digits than its factorization.

725567290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37182.

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 725567290 is about 26936.3562866250. The cubic root of 725567290 is about 898.5851390482.

The spelling of 725567290 in words is "seven hundred twenty-five million, five hundred sixty-seven thousand, two hundred ninety".