47157673 has 4 divisors (see below), whose sum is σ = 47214720. Its totient is φ = 47100628.

The previous prime is 47157653. The next prime is 47157739. The reversal of 47157673 is 37675174.

It is the 2804-th star number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37675174 = 2 ⋅18837587.

It is a cyclic number.

It is not a de Polignac number, because 47157673 - 2¹⁷ = 47026601 is a prime.

It is a super-2 number, since 2×47157673² = 4447692245549858, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47157653) 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, 27265 + ... + 28942.

It is an arithmetic number, because the mean of its divisors is an integer number (11803680).

Almost surely, 2^47157673 is an apocalyptic number.

It is an amenable number.

47157673 is a deficient number, since it is larger than the sum of its proper divisors (57047).

47157673 is an equidigital number, since it uses as much as digits as its factorization.

47157673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57046.

The product of its digits is 123480, while the sum is 40.

The square root of 47157673 is about 6867.1444574874. The cubic root of 47157673 is about 361.2857139134.

The spelling of 47157673 in words is "forty-seven million, one hundred fifty-seven thousand, six hundred seventy-three".