47650731 has 4 divisors (see below), whose sum is σ = 63534312. Its totient is φ = 31767152.

The previous prime is 47650723. The next prime is 47650747. The reversal of 47650731 is 13705674.

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 47650731 - 2³ = 47650723 is a prime.

It is a super-2 number, since 2×47650731² = 4541184329668722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47650692 and 47650701.

It is not an unprimeable number, because it can be changed into a prime (47650231) 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, 7941786 + ... + 7941791.

It is an arithmetic number, because the mean of its divisors is an integer number (15883578).

Almost surely, 2^47650731 is an apocalyptic number.

47650731 is a deficient number, since it is larger than the sum of its proper divisors (15883581).

47650731 is a wasteful number, since it uses less digits than its factorization.

47650731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15883580.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 47650731 is about 6902.9508907423. The cubic root of 47650731 is about 362.5404942476.

The spelling of 47650731 in words is "forty-seven million, six hundred fifty thousand, seven hundred thirty-one".