49140071 has 8 divisors (see below), whose sum is σ = 49778064. Its totient is φ = 48505600.

The previous prime is 49140043. The next prime is 49140079. The reversal of 49140071 is 17004194.

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 49140071 - 2¹⁰ = 49139047 is a prime.

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 49140071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49140079) 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, 37121 + ... + 38421.

It is an arithmetic number, because the mean of its divisors is an integer number (6222258).

Almost surely, 2^49140071 is an apocalyptic number.

49140071 is a deficient number, since it is larger than the sum of its proper divisors (637993).

49140071 is a wasteful number, since it uses less digits than its factorization.

49140071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 49140071 is about 7009.9979315261. The cubic root of 49140071 is about 366.2789213301.

The spelling of 49140071 in words is "forty-nine million, one hundred forty thousand, seventy-one".