47074345 has 4 divisors (see below), whose sum is σ = 56489220. Its totient is φ = 37659472.

The previous prime is 47074333. The next prime is 47074351. The reversal of 47074345 is 54347074.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16736281 + 30338064 = 4091^2 + 5508^2 .

It is a cyclic number.

It is not a de Polignac number, because 47074345 - 2⁷ = 47074217 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 47074345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4707430 + ... + 4707439.

It is an arithmetic number, because the mean of its divisors is an integer number (14122305).

Almost surely, 2^47074345 is an apocalyptic number.

It is an amenable number.

47074345 is a deficient number, since it is larger than the sum of its proper divisors (9414875).

47074345 is an equidigital number, since it uses as much as digits as its factorization.

47074345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9414874.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 47074345 is about 6861.0746242844. The cubic root of 47074345 is about 361.0727901654.

The spelling of 47074345 in words is "forty-seven million, seventy-four thousand, three hundred forty-five".