47225751 has 8 divisors (see below), whose sum is σ = 63525360. Its totient is φ = 31204992.

The previous prime is 47225747. The next prime is 47225807. The reversal of 47225751 is 15752274.

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

It is not a de Polignac number, because 47225751 - 2² = 47225747 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 (47225701) 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, 69316 + ... + 69993.

It is an arithmetic number, because the mean of its divisors is an integer number (7940670).

Almost surely, 2^47225751 is an apocalyptic number.

47225751 is a deficient number, since it is larger than the sum of its proper divisors (16299609).

47225751 is a wasteful number, since it uses less digits than its factorization.

47225751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139425.

The product of its digits is 19600, while the sum is 33.

The square root of 47225751 is about 6872.0994608635. The cubic root of 47225751 is about 361.4594840279.

The spelling of 47225751 in words is "forty-seven million, two hundred twenty-five thousand, seven hundred fifty-one".