47432951 has 4 divisors (see below), whose sum is σ = 49068600. Its totient is φ = 45797304.

The previous prime is 47432947. The next prime is 47432971. The reversal of 47432951 is 15923474.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47432951 - 2² = 47432947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47432971) 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, 817781 + ... + 817838.

It is an arithmetic number, because the mean of its divisors is an integer number (12267150).

Almost surely, 2^47432951 is an apocalyptic number.

47432951 is a deficient number, since it is larger than the sum of its proper divisors (1635649).

47432951 is a wasteful number, since it uses less digits than its factorization.

47432951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635648.

The product of its digits is 30240, while the sum is 35.

The square root of 47432951 is about 6887.1584125821. The cubic root of 47432951 is about 361.9873396873.

The spelling of 47432951 in words is "forty-seven million, four hundred thirty-two thousand, nine hundred fifty-one".