7132725405 has 128 divisors (see below), whose sum is σ = 14277795840. Its totient is φ = 3355188480.

The previous prime is 7132725403. The next prime is 7132725449. The reversal of 7132725405 is 5045272317.

It is not a de Polignac number, because 7132725405 - 2¹ = 7132725403 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7132725405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7132725401) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3545850 + ... + 3547860.

It is an arithmetic number, because the mean of its divisors is an integer number (111545280).

Almost surely, 2^7132725405 is an apocalyptic number.

It is an amenable number.

7132725405 is an abundant number, since it is smaller than the sum of its proper divisors (7145070435).

7132725405 is a wasteful number, since it uses less digits than its factorization.

7132725405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128 (or 2122 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 7132725405 is about 84455.4640328262. The cubic root of 7132725405 is about 1924.9457817978.

The spelling of 7132725405 in words is "seven billion, one hundred thirty-two million, seven hundred twenty-five thousand, four hundred five".