47423751 has 8 divisors (see below), whose sum is σ = 64940784. Its totient is φ = 30761280.

The previous prime is 47423743. The next prime is 47423759. The reversal of 47423751 is 15732474.

It is an interprime number because it is at equal distance from previous prime (47423743) and next prime (47423759).

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

It is not a de Polignac number, because 47423751 - 2³ = 47423743 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47423759) 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, 213510 + ... + 213731.

It is an arithmetic number, because the mean of its divisors is an integer number (8117598).

Almost surely, 2^47423751 is an apocalyptic number.

47423751 is a deficient number, since it is larger than the sum of its proper divisors (17517033).

47423751 is a wasteful number, since it uses less digits than its factorization.

47423751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427281.

The product of its digits is 23520, while the sum is 33.

The square root of 47423751 is about 6886.4904704791. The cubic root of 47423751 is about 361.9639347280.

The spelling of 47423751 in words is "forty-seven million, four hundred twenty-three thousand, seven hundred fifty-one".