73940693 has 4 divisors (see below), whose sum is σ = 75660288. Its totient is φ = 72221100.

The previous prime is 73940683. The next prime is 73940707. The reversal of 73940693 is 39604937.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39604937 = 3517 ⋅11261.

It is a cyclic number.

It is not a de Polignac number, because 73940693 - 2⁴ = 73940677 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 73940693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73940683) 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, 859733 + ... + 859818.

It is an arithmetic number, because the mean of its divisors is an integer number (18915072).

Almost surely, 2^73940693 is an apocalyptic number.

It is an amenable number.

73940693 is a deficient number, since it is larger than the sum of its proper divisors (1719595).

73940693 is a wasteful number, since it uses less digits than its factorization.

73940693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719594.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 73940693 is about 8598.8774267343. The cubic root of 73940693 is about 419.7214574136.

The spelling of 73940693 in words is "seventy-three million, nine hundred forty thousand, six hundred ninety-three".