725286977 has 8 divisors (see below), whose sum is σ = 742742880. Its totient is φ = 707857920.

The previous prime is 725286953. The next prime is 725286983. The reversal of 725286977 is 779682527.

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 725286977 - 2²⁴ = 708509761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725286907) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 54602 + ... + 66572.

It is an arithmetic number, because the mean of its divisors is an integer number (92842860).

Almost surely, 2^725286977 is an apocalyptic number.

It is an amenable number.

725286977 is a deficient number, since it is larger than the sum of its proper divisors (17455903).

725286977 is a wasteful number, since it uses less digits than its factorization.

725286977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13423.

The product of its digits is 2963520, while the sum is 53.

The square root of 725286977 is about 26931.1525375354. The cubic root of 725286977 is about 898.4694054496.

The spelling of 725286977 in words is "seven hundred twenty-five million, two hundred eighty-six thousand, nine hundred seventy-seven".