7400725405 has 8 divisors (see below), whose sum is σ = 8888359392. Its totient is φ = 5915587728.

The previous prime is 7400725393. The next prime is 7400725411. The reversal of 7400725405 is 5045270047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7400725405 - 2⁹ = 7400724893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617547 + ... + 629416.

It is an arithmetic number, because the mean of its divisors is an integer number (1111044924).

Almost surely, 2^7400725405 is an apocalyptic number.

It is an amenable number.

7400725405 is a deficient number, since it is larger than the sum of its proper divisors (1487633987).

7400725405 is a wasteful number, since it uses less digits than its factorization.

7400725405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248155.

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 7400725405 is about 86027.4688980212. The cubic root of 7400725405 is about 1948.7588336641.

The spelling of 7400725405 in words is "seven billion, four hundred million, seven hundred twenty-five thousand, four hundred five".