725471694 has 64 divisors (see below), whose sum is σ = 1643673600. Its totient is φ = 237141216.

The previous prime is 725471693. The next prime is 725471717. The reversal of 725471694 is 496174527.

725471694 is a `hidden beast` number, since 7 + 2 + 547 + 16 + 94 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725471693) 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, 737527 + ... + 738509.

It is an arithmetic number, because the mean of its divisors is an integer number (25682400).

Almost surely, 2^725471694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 725471694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (821836800).

725471694 is an abundant number, since it is smaller than the sum of its proper divisors (918201906).

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

725471694 is a wasteful number, since it uses less digits than its factorization.

725471694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246 (or 1240 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 725471694 is about 26934.5817491195. The cubic root of 725471694 is about 898.5456734149.

The spelling of 725471694 in words is "seven hundred twenty-five million, four hundred seventy-one thousand, six hundred ninety-four".