49729726 has 32 divisors (see below), whose sum is σ = 86780160. Its totient is φ = 21200256.

The previous prime is 49729723. The next prime is 49729747. The reversal of 49729726 is 62792794.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49729721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13185 + ... + 16531.

It is an arithmetic number, because the mean of its divisors is an integer number (2711880).

Almost surely, 2^49729726 is an apocalyptic number.

49729726 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

49729726 is a deficient number, since it is larger than the sum of its proper divisors (37050434).

49729726 is a wasteful number, since it uses less digits than its factorization.

49729726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408.

The product of its digits is 381024, while the sum is 46.

The square root of 49729726 is about 7051.9306576284. The cubic root of 49729726 is about 367.7381515897.

The spelling of 49729726 in words is "forty-nine million, seven hundred twenty-nine thousand, seven hundred twenty-six".