48723791 has 2 divisors, whose sum is σ = 48723792. Its totient is φ = 48723790.

The previous prime is 48723781. The next prime is 48723817. The reversal of 48723791 is 19732784.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48723791 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48723721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24361895 + 24361896.

It is an arithmetic number, because the mean of its divisors is an integer number (24361896).

Almost surely, 2^48723791 is an apocalyptic number.

48723791 is a deficient number, since it is larger than the sum of its proper divisors (1).

48723791 is an equidigital number, since it uses as much as digits as its factorization.

48723791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 48723791 is about 6980.2429040829. The cubic root of 48723791 is about 365.2417014235.

The spelling of 48723791 in words is "forty-eight million, seven hundred twenty-three thousand, seven hundred ninety-one".