725533337 has 8 divisors (see below), whose sum is σ = 736356096. Its totient is φ = 714788032.

The previous prime is 725533301. The next prime is 725533351. The reversal of 725533337 is 733335527.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 725533337 - 2¹² = 725529241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 725533337.

It is not an unprimeable number, because it can be changed into a prime (725533357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353 + ... + 38094.

It is an arithmetic number, because the mean of its divisors is an integer number (92044512).

Almost surely, 2^725533337 is an apocalyptic number.

It is an amenable number.

725533337 is a deficient number, since it is larger than the sum of its proper divisors (10822759).

725533337 is a wasteful number, since it uses less digits than its factorization.

725533337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38727.

The product of its digits is 198450, while the sum is 38.

The square root of 725533337 is about 26935.7260343953. The cubic root of 725533337 is about 898.5711223666.

The spelling of 725533337 in words is "seven hundred twenty-five million, five hundred thirty-three thousand, three hundred thirty-seven".