73140937 has 4 divisors (see below), whose sum is σ = 76990480. Its totient is φ = 69291396.

The previous prime is 73140913. The next prime is 73140961. The reversal of 73140937 is 73904137.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (73140913) and next prime (73140961).

It is a cyclic number.

It is not a de Polignac number, because 73140937 - 2²³ = 64752329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73140337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1924743 + ... + 1924780.

It is an arithmetic number, because the mean of its divisors is an integer number (19247620).

Almost surely, 2^73140937 is an apocalyptic number.

It is an amenable number.

73140937 is a deficient number, since it is larger than the sum of its proper divisors (3849543).

73140937 is a wasteful number, since it uses less digits than its factorization.

73140937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849542.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 73140937 is about 8552.2474823873. The cubic root of 73140937 is about 418.2027072498.

The spelling of 73140937 in words is "seventy-three million, one hundred forty thousand, nine hundred thirty-seven".