47698457 has 8 divisors (see below), whose sum is σ = 48952680. Its totient is φ = 46448640.

The previous prime is 47698451. The next prime is 47698477. The reversal of 47698457 is 75489674.

It can be written as a sum of positive squares in 4 ways, for example, as 1308736 + 46389721 = 1144^2 + 6811^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 47698457 - 2¹⁴ = 47682073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47698451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40793 + ... + 41945.

It is an arithmetic number, because the mean of its divisors is an integer number (6119085).

Almost surely, 2^47698457 is an apocalyptic number.

It is an amenable number.

47698457 is a deficient number, since it is larger than the sum of its proper divisors (1254223).

47698457 is a wasteful number, since it uses less digits than its factorization.

47698457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203.

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

The square root of 47698457 is about 6906.4069529677. The cubic root of 47698457 is about 362.6614915813.

The spelling of 47698457 in words is "forty-seven million, six hundred ninety-eight thousand, four hundred fifty-seven".