49990723 has 2 divisors, whose sum is σ = 49990724. Its totient is φ = 49990722.

The previous prime is 49990679. The next prime is 49990739. The reversal of 49990723 is 32709994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49990723 - 2¹⁷ = 49859651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49990723.

It is not a weakly prime, because it can be changed into another prime (49990783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24995361 + 24995362.

It is an arithmetic number, because the mean of its divisors is an integer number (24995362).

Almost surely, 2^49990723 is an apocalyptic number.

49990723 is a deficient number, since it is larger than the sum of its proper divisors (1).

49990723 is an equidigital number, since it uses as much as digits as its factorization.

49990723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 49990723 is about 7070.4117984740. The cubic root of 49990723 is about 368.3803639479.

The spelling of 49990723 in words is "forty-nine million, nine hundred ninety thousand, seven hundred twenty-three".