49072867 has 4 divisors (see below), whose sum is σ = 49145400. Its totient is φ = 49000336.

The previous prime is 49072819. The next prime is 49072871. The reversal of 49072867 is 76827094.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49072867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49072817) 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, 35242 + ... + 36607.

It is an arithmetic number, because the mean of its divisors is an integer number (12286350).

Almost surely, 2^49072867 is an apocalyptic number.

49072867 is a deficient number, since it is larger than the sum of its proper divisors (72533).

49072867 is an equidigital number, since it uses as much as digits as its factorization.

49072867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72532.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 49072867 is about 7005.2028521664. The cubic root of 49072867 is about 366.1118707065. Note that the first 3 decimals are identical.

The spelling of 49072867 in words is "forty-nine million, seventy-two thousand, eight hundred sixty-seven".