49999718 has 4 divisors (see below), whose sum is σ = 74999580. Its totient is φ = 24999858.

The previous prime is 49999711. The next prime is 49999739. The reversal of 49999718 is 81799994.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12499928 + ... + 12499931.

It is an arithmetic number, because the mean of its divisors is an integer number (18749895).

Almost surely, 2^49999718 is an apocalyptic number.

49999718 is a deficient number, since it is larger than the sum of its proper divisors (24999862).

49999718 is a wasteful number, since it uses less digits than its factorization.

49999718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24999861.

The product of its digits is 1469664, while the sum is 56.

The square root of 49999718 is about 7071.0478714261. The cubic root of 49999718 is about 368.4024572648.

The spelling of 49999718 in words is "forty-nine million, nine hundred ninety-nine thousand, seven hundred eighteen".