14704721257 has 8 divisors (see below), whose sum is σ = 15180492800. Its totient is φ = 14229038880.

The previous prime is 14704721209. The next prime is 14704721333. The reversal of 14704721257 is 75212740741.

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 14704721257 - 2²³ = 14696332649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14704721957) by changing a digit.

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, 532093 + ... + 559045.

It is an arithmetic number, because the mean of its divisors is an integer number (1897561600).

Almost surely, 2^14704721257 is an apocalyptic number.

It is an amenable number.

14704721257 is a deficient number, since it is larger than the sum of its proper divisors (475771543).

14704721257 is a wasteful number, since it uses less digits than its factorization.

14704721257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44583.

The product of its (nonzero) digits is 109760, while the sum is 40.

The spelling of 14704721257 in words is "fourteen billion, seven hundred four million, seven hundred twenty-one thousand, two hundred fifty-seven".