725337774 has 64 divisors (see below), whose sum is σ = 1845550080. Its totient is φ = 206854560.

The previous prime is 725337761. The next prime is 725337797. The reversal of 725337774 is 477733527.

It is a super-2 number, since 2×725337774² = 1052229772782550152, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248407 + ... + 251309.

It is an arithmetic number, because the mean of its divisors is an integer number (28836720).

Almost surely, 2^725337774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 725337774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (922775040).

725337774 is an abundant number, since it is smaller than the sum of its proper divisors (1120212306).

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

725337774 is a wasteful number, since it uses less digits than its factorization.

725337774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582 (or 3576 counting only the distinct ones).

The product of its digits is 864360, while the sum is 45.

The square root of 725337774 is about 26932.0956109992. The cubic root of 725337774 is about 898.4903803586.

The spelling of 725337774 in words is "seven hundred twenty-five million, three hundred thirty-seven thousand, seven hundred seventy-four".