725157024 has 96 divisors (see below), whose sum is σ = 1949754240. Its totient is φ = 235901952.

The previous prime is 725157011. The next prime is 725157061. The reversal of 725157024 is 420751527.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1826394 + ... + 1826790.

It is an arithmetic number, because the mean of its divisors is an integer number (20309940).

Almost surely, 2^725157024 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 725157024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974877120).

725157024 is an abundant number, since it is smaller than the sum of its proper divisors (1224597216).

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

725157024 is a wasteful number, since it uses less digits than its factorization.

725157024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 725157024 is about 26928.7397402849. The cubic root of 725157024 is about 898.4157412806.

The spelling of 725157024 in words is "seven hundred twenty-five million, one hundred fifty-seven thousand, twenty-four".