73818427 has 8 divisors (see below), whose sum is σ = 76472640. Its totient is φ = 71171520.

The previous prime is 73818383. The next prime is 73818443. The reversal of 73818427 is 72481837.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73818427 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 73818427.

It is not an unprimeable number, because it can be changed into a prime (73818467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26302 + ... + 28972.

It is an arithmetic number, because the mean of its divisors is an integer number (9559080).

Almost surely, 2^73818427 is an apocalyptic number.

73818427 is a deficient number, since it is larger than the sum of its proper divisors (2654213).

73818427 is a wasteful number, since it uses less digits than its factorization.

73818427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653.

The product of its digits is 75264, while the sum is 40.

The square root of 73818427 is about 8591.7650689483. The cubic root of 73818427 is about 419.4899837221.

The spelling of 73818427 in words is "seventy-three million, eight hundred eighteen thousand, four hundred twenty-seven".