47698745 has 4 divisors (see below), whose sum is σ = 57238500. Its totient is φ = 38158992.

The previous prime is 47698741. The next prime is 47698747. The reversal of 47698745 is 54789674.

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 12033961 + 35664784 = 3469^2 + 5972^2 .

It is a cyclic number.

It is not a de Polignac number, because 47698745 - 2² = 47698741 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 47698693 and 47698702.

It is not an unprimeable number, because it can be changed into a prime (47698741) 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, 4769870 + ... + 4769879.

It is an arithmetic number, because the mean of its divisors is an integer number (14309625).

Almost surely, 2^47698745 is an apocalyptic number.

It is an amenable number.

47698745 is a deficient number, since it is larger than the sum of its proper divisors (9539755).

47698745 is an equidigital number, since it uses as much as digits as its factorization.

47698745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9539754.

The product of its digits is 1693440, while the sum is 50.

The square root of 47698745 is about 6906.4278031411. The cubic root of 47698745 is about 362.6622214882.

The spelling of 47698745 in words is "forty-seven million, six hundred ninety-eight thousand, seven hundred forty-five".