47232739 has 4 divisors (see below), whose sum is σ = 47251480. Its totient is φ = 47214000.

The previous prime is 47232719. The next prime is 47232761. The reversal of 47232739 is 93723274.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47232739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47232698 and 47232707.

It is not an unprimeable number, because it can be changed into a prime (47232719) 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, 4869 + ... + 10870.

It is an arithmetic number, because the mean of its divisors is an integer number (11812870).

Almost surely, 2^47232739 is an apocalyptic number.

47232739 is a deficient number, since it is larger than the sum of its proper divisors (18741).

47232739 is a wasteful number, since it uses less digits than its factorization.

47232739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18740.

The product of its digits is 63504, while the sum is 37.

The square root of 47232739 is about 6872.6078747445. The cubic root of 47232739 is about 361.4773115496.

The spelling of 47232739 in words is "forty-seven million, two hundred thirty-two thousand, seven hundred thirty-nine".