47506345 has 4 divisors (see below), whose sum is σ = 57007620. Its totient is φ = 38005072.

The previous prime is 47506307. The next prime is 47506367. The reversal of 47506345 is 54360574.

It is a happy number.

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 20684304 + 26822041 = 4548^2 + 5179^2 .

It is a cyclic number.

It is not a de Polignac number, because 47506345 - 2¹¹ = 47504297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47506345.

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, 4750630 + ... + 4750639.

It is an arithmetic number, because the mean of its divisors is an integer number (14251905).

Almost surely, 2^47506345 is an apocalyptic number.

It is an amenable number.

47506345 is a deficient number, since it is larger than the sum of its proper divisors (9501275).

47506345 is an equidigital number, since it uses as much as digits as its factorization.

47506345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9501274.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 47506345 is about 6892.4846753547. The cubic root of 47506345 is about 362.1739470077.

The spelling of 47506345 in words is "forty-seven million, five hundred six thousand, three hundred forty-five".