47945193 has 8 divisors (see below), whose sum is σ = 64024608. Its totient is φ = 31914624.

The previous prime is 47945173. The next prime is 47945201. The reversal of 47945193 is 39154974.

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

It is not a de Polignac number, because 47945193 - 2¹⁴ = 47928809 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (47945153) 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, 9855 + ... + 13892.

It is an arithmetic number, because the mean of its divisors is an integer number (8003076).

Almost surely, 2^47945193 is an apocalyptic number.

It is an amenable number.

47945193 is a deficient number, since it is larger than the sum of its proper divisors (16079415).

47945193 is a wasteful number, since it uses less digits than its factorization.

47945193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24423.

The product of its digits is 136080, while the sum is 42.

The square root of 47945193 is about 6924.2467460367. The cubic root of 47945193 is about 363.2857451538.

The spelling of 47945193 in words is "forty-seven million, nine hundred forty-five thousand, one hundred ninety-three".