7406559725 has 12 divisors (see below), whose sum is σ = 9397719936. Its totient is φ = 5787450480.

The previous prime is 7406559709. The next prime is 7406559731. The reversal of 7406559725 is 5279556047.

It is a happy number.

It is not a de Polignac number, because 7406559725 - 2⁴ = 7406559709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3443837 + ... + 3445986.

It is an arithmetic number, because the mean of its divisors is an integer number (783143328).

Almost surely, 2^7406559725 is an apocalyptic number.

It is an amenable number.

7406559725 is a deficient number, since it is larger than the sum of its proper divisors (1991160211).

7406559725 is a wasteful number, since it uses less digits than its factorization.

7406559725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6889876 (or 6889871 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 50.

The square root of 7406559725 is about 86061.3718517199. The cubic root of 7406559725 is about 1949.2707968200.

The spelling of 7406559725 in words is "seven billion, four hundred six million, five hundred fifty-nine thousand, seven hundred twenty-five".