725467158 has 128 divisors (see below), whose sum is σ = 1848000000. Its totient is φ = 209112192.

The previous prime is 725467157. The next prime is 725467159. The reversal of 725467158 is 851764527.

It is an interprime number because it is at equal distance from previous prime (725467157) and next prime (725467159).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725467157) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1453593 + ... + 1454091.

It is an arithmetic number, because the mean of its divisors is an integer number (14437500).

Almost surely, 2^725467158 is an apocalyptic number.

725467158 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 725467158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (924000000).

725467158 is an abundant number, since it is smaller than the sum of its proper divisors (1122532842).

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

725467158 is a wasteful number, since it uses less digits than its factorization.

725467158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 645 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 725467158 is about 26934.4975449701. The cubic root of 725467158 is about 898.5438006969.

The spelling of 725467158 in words is "seven hundred twenty-five million, four hundred sixty-seven thousand, one hundred fifty-eight".