3457272785 has 8 divisors (see below), whose sum is σ = 4260855336. Its totient is φ = 2691066240.

The previous prime is 3457272757. The next prime is 3457272811. The reversal of 3457272785 is 5872727543.

3457272785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1428310849 + 2028961936 = 37793^2 + 45044^2 .

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

It is not a de Polignac number, because 3457272785 - 2⁸ = 3457272529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9343796 + ... + 9344165.

It is an arithmetic number, because the mean of its divisors is an integer number (532606917).

Almost surely, 2^3457272785 is an apocalyptic number.

It is an amenable number.

3457272785 is a deficient number, since it is larger than the sum of its proper divisors (803582551).

3457272785 is a wasteful number, since it uses less digits than its factorization.

3457272785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18688003.

The product of its digits is 3292800, while the sum is 50.

The square root of 3457272785 is about 58798.5780865490. The cubic root of 3457272785 is about 1512.0908399425.

The spelling of 3457272785 in words is "three billion, four hundred fifty-seven million, two hundred seventy-two thousand, seven hundred eighty-five".