725752977 has 4 divisors (see below), whose sum is σ = 967670640. Its totient is φ = 483835316.

The previous prime is 725752949. The next prime is 725752987. The reversal of 725752977 is 779257527.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 725752977 - 2⁸ = 725752721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (725752987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120958827 + ... + 120958832.

It is an arithmetic number, because the mean of its divisors is an integer number (241917660).

Almost surely, 2^725752977 is an apocalyptic number.

It is an amenable number.

725752977 is a deficient number, since it is larger than the sum of its proper divisors (241917663).

725752977 is a wasteful number, since it uses less digits than its factorization.

725752977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241917662.

The product of its digits is 2160900, while the sum is 51.

The square root of 725752977 is about 26939.8028389222. The cubic root of 725752977 is about 898.6617877382.

The spelling of 725752977 in words is "seven hundred twenty-five million, seven hundred fifty-two thousand, nine hundred seventy-seven".