49104721 has 8 divisors (see below), whose sum is σ = 54730080. Its totient is φ = 43783488.

The previous prime is 49104703. The next prime is 49104751. The reversal of 49104721 is 12740194.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49104721 - 2⁵ = 49104689 is a prime.

It is a super-2 number, since 2×49104721² = 4822547248975682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49104721.

It is not an unprimeable number, because it can be changed into a prime (49104751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75691 + ... + 76336.

It is an arithmetic number, because the mean of its divisors is an integer number (6841260).

Almost surely, 2^49104721 is an apocalyptic number.

It is an amenable number.

49104721 is a deficient number, since it is larger than the sum of its proper divisors (5625359).

49104721 is a wasteful number, since it uses less digits than its factorization.

49104721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152063.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 49104721 is about 7007.4760791600. The cubic root of 49104721 is about 366.1910699721.

The spelling of 49104721 in words is "forty-nine million, one hundred four thousand, seven hundred twenty-one".