49984739 has 4 divisors (see below), whose sum is σ = 57125424. Its totient is φ = 42844056.

The previous prime is 49984733. The next prime is 49984757. The reversal of 49984739 is 93748994.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 49984739 - 2⁴ = 49984723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49984733) 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, 3570332 + ... + 3570345.

It is an arithmetic number, because the mean of its divisors is an integer number (14281356).

Almost surely, 2^49984739 is an apocalyptic number.

49984739 is a deficient number, since it is larger than the sum of its proper divisors (7140685).

49984739 is an equidigital number, since it uses as much as digits as its factorization.

49984739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7140684.

The product of its digits is 1959552, while the sum is 53.

The square root of 49984739 is about 7069.9886138522. The cubic root of 49984739 is about 368.3656647136.

The spelling of 49984739 in words is "forty-nine million, nine hundred eighty-four thousand, seven hundred thirty-nine".