3457470921 has 4 divisors (see below), whose sum is σ = 4609961232. Its totient is φ = 2304980612.

The previous prime is 3457470893. The next prime is 3457470941. The reversal of 3457470921 is 1290747543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3457470921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3457470941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576245151 + ... + 576245156.

It is an arithmetic number, because the mean of its divisors is an integer number (1152490308).

Almost surely, 2^3457470921 is an apocalyptic number.

It is an amenable number.

3457470921 is a deficient number, since it is larger than the sum of its proper divisors (1152490311).

3457470921 is a wasteful number, since it uses less digits than its factorization.

3457470921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152490310.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 3457470921 is about 58800.2629330856. The cubic root of 3457470921 is about 1512.1197253218.

The spelling of 3457470921 in words is "three billion, four hundred fifty-seven million, four hundred seventy thousand, nine hundred twenty-one".