49997726 has 8 divisors (see below), whose sum is σ = 75041640. Its totient is φ = 24983848.

The previous prime is 49997687. The next prime is 49997729. The reversal of 49997726 is 62779994.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct 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 (49997729) 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, 2741 + ... + 10368.

It is an arithmetic number, because the mean of its divisors is an integer number (9380205).

Almost surely, 2^49997726 is an apocalyptic number.

49997726 is a deficient number, since it is larger than the sum of its proper divisors (25043914).

49997726 is a wasteful number, since it uses less digits than its factorization.

49997726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15018.

The product of its digits is 1714608, while the sum is 53.

The square root of 49997726 is about 7070.9070139551. The cubic root of 49997726 is about 368.3975647876.

The spelling of 49997726 in words is "forty-nine million, nine hundred ninety-seven thousand, seven hundred twenty-six".