73420693 has 4 divisors (see below), whose sum is σ = 77284960. Its totient is φ = 69556428.

The previous prime is 73420667. The next prime is 73420727. The reversal of 73420693 is 39602437.

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 a cyclic number.

It is not a de Polignac number, because 73420693 - 2⁹ = 73420181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73420643) 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, 1932105 + ... + 1932142.

It is an arithmetic number, because the mean of its divisors is an integer number (19321240).

Almost surely, 2^73420693 is an apocalyptic number.

It is an amenable number.

73420693 is a deficient number, since it is larger than the sum of its proper divisors (3864267).

73420693 is a wasteful number, since it uses less digits than its factorization.

73420693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864266.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 73420693 is about 8568.5875732235. The cubic root of 73420693 is about 418.7352219334.

The spelling of 73420693 in words is "seventy-three million, four hundred twenty thousand, six hundred ninety-three".