73134939 has 16 divisors (see below), whose sum is σ = 100154880. Its totient is φ = 47442240.

The previous prime is 73134931. The next prime is 73134947. The reversal of 73134939 is 93943137.

It is an interprime number because it is at equal distance from previous prime (73134931) and next prime (73134947).

It is not a de Polignac number, because 73134939 - 2³ = 73134931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73134897 and 73134906.

It is not an unprimeable number, because it can be changed into a prime (73134931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79122 + ... + 80040.

It is an arithmetic number, because the mean of its divisors is an integer number (6259680).

Almost surely, 2^73134939 is an apocalyptic number.

73134939 is a deficient number, since it is larger than the sum of its proper divisors (27019941).

73134939 is a wasteful number, since it uses less digits than its factorization.

73134939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610.

The product of its digits is 61236, while the sum is 39.

The square root of 73134939 is about 8551.8968071417. The cubic root of 73134939 is about 418.1912752186.

The spelling of 73134939 in words is "seventy-three million, one hundred thirty-four thousand, nine hundred thirty-nine".