725890776 has 64 divisors (see below), whose sum is σ = 1977937920. Its totient is φ = 220652160.

The previous prime is 725890771. The next prime is 725890813. The reversal of 725890776 is 677098527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725890771) 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, 11881 + ... + 39911.

It is an arithmetic number, because the mean of its divisors is an integer number (30905280).

Almost surely, 2^725890776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 725890776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (988968960).

725890776 is an abundant number, since it is smaller than the sum of its proper divisors (1252047144).

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

725890776 is a wasteful number, since it uses less digits than its factorization.

725890776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28136 (or 28132 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 51.

The square root of 725890776 is about 26942.3602529548. The cubic root of 725890776 is about 898.7186605600.

The spelling of 725890776 in words is "seven hundred twenty-five million, eight hundred ninety thousand, seven hundred seventy-six".