725007077 has 4 divisors (see below), whose sum is σ = 725113056. Its totient is φ = 724901100.

The previous prime is 725007043. The next prime is 725007079. The reversal of 725007077 is 770700527.

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 725007077 - 2¹² = 725002981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725007079) 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, 41963 + ... + 56664.

It is an arithmetic number, because the mean of its divisors is an integer number (181278264).

Almost surely, 2^725007077 is an apocalyptic number.

It is an amenable number.

725007077 is a deficient number, since it is larger than the sum of its proper divisors (105979).

725007077 is an equidigital number, since it uses as much as digits as its factorization.

725007077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105978.

The product of its (nonzero) digits is 24010, while the sum is 35.

The square root of 725007077 is about 26925.9554519426. The cubic root of 725007077 is about 898.3538126099.

The spelling of 725007077 in words is "seven hundred twenty-five million, seven thousand, seventy-seven".