49673945 has 8 divisors (see below), whose sum is σ = 60425736. Its totient is φ = 39194496.

The previous prime is 49673933. The next prime is 49673957. The reversal of 49673945 is 54937694.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (49673933) and next prime (49673957).

It can be written as a sum of positive squares in 4 ways, for example, as 2298256 + 47375689 = 1516^2 + 6883^2 .

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 49673945 - 2¹⁰ = 49672921 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 49673945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67682 + ... + 68411.

It is an arithmetic number, because the mean of its divisors is an integer number (7553217).

Almost surely, 2^49673945 is an apocalyptic number.

It is an amenable number.

49673945 is a deficient number, since it is larger than the sum of its proper divisors (10751791).

49673945 is a wasteful number, since it uses less digits than its factorization.

49673945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136171.

The product of its digits is 816480, while the sum is 47.

The square root of 49673945 is about 7047.9745317361. The cubic root of 49673945 is about 367.6006049089.

The spelling of 49673945 in words is "forty-nine million, six hundred seventy-three thousand, nine hundred forty-five".