49021718 has 4 divisors (see below), whose sum is σ = 73532580. Its totient is φ = 24510858.

The previous prime is 49021711. The next prime is 49021733. The reversal of 49021718 is 81712094.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49021711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12255428 + ... + 12255431.

It is an arithmetic number, because the mean of its divisors is an integer number (18383145).

Almost surely, 2^49021718 is an apocalyptic number.

49021718 is a deficient number, since it is larger than the sum of its proper divisors (24510862).

49021718 is a wasteful number, since it uses less digits than its factorization.

49021718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24510861.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 49021718 is about 7001.5511138604. The cubic root of 49021718 is about 365.9846261471.

The spelling of 49021718 in words is "forty-nine million, twenty-one thousand, seven hundred eighteen".