725632026 has 64 divisors (see below), whose sum is σ = 1729658880. Its totient is φ = 198555840.

The previous prime is 725632003. The next prime is 725632051. The reversal of 725632026 is 620236527.

It is a happy 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, 152341 + ... + 157031.

It is an arithmetic number, because the mean of its divisors is an integer number (27025920).

Almost surely, 2^725632026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 725632026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864829440).

725632026 is an abundant number, since it is smaller than the sum of its proper divisors (1004026854).

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

725632026 is a wasteful number, since it uses less digits than its factorization.

725632026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4859.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 725632026 is about 26937.5579071303. The cubic root of 725632026 is about 898.6118625414.

The spelling of 725632026 in words is "seven hundred twenty-five million, six hundred thirty-two thousand, twenty-six".