8405725732 has 12 divisors (see below), whose sum is σ = 14887249776. Its totient is φ = 4152225800.

The previous prime is 8405725717. The next prime is 8405725753. The reversal of 8405725732 is 2375275048.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12658894 + ... + 12659557.

It is an arithmetic number, because the mean of its divisors is an integer number (1240604148).

Almost surely, 2^8405725732 is an apocalyptic number.

It is an amenable number.

8405725732 is a deficient number, since it is larger than the sum of its proper divisors (6481524044).

8405725732 is a wasteful number, since it uses less digits than its factorization.

8405725732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25318538 (or 25318536 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 43.

The square root of 8405725732 is about 91682.7450068987. The cubic root of 8405725732 is about 2033.2544827854.

The spelling of 8405725732 in words is "eight billion, four hundred five million, seven hundred twenty-five thousand, seven hundred thirty-two".