73850139 has 24 divisors (see below), whose sum is σ = 116833392. Its totient is φ = 44579520.

The previous prime is 73850107. The next prime is 73850167. The reversal of 73850139 is 93105837.

It is not a de Polignac number, because 73850139 - 2⁵ = 73850107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73850639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26077 + ... + 28769.

It is an arithmetic number, because the mean of its divisors is an integer number (4868058).

Almost surely, 2^73850139 is an apocalyptic number.

73850139 is a deficient number, since it is larger than the sum of its proper divisors (42983253).

73850139 is a wasteful number, since it uses less digits than its factorization.

73850139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987 (or 2984 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 73850139 is about 8593.6103588655. The cubic root of 73850139 is about 419.5500453373.

The spelling of 73850139 in words is "seventy-three million, eight hundred fifty thousand, one hundred thirty-nine".