73983401 has 4 divisors (see below), whose sum is σ = 74007492. Its totient is φ = 73959312.

The previous prime is 73983347. The next prime is 73983419. The reversal of 73983401 is 10438937.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10438937 = 691 ⋅15107.

It can be written as a sum of positive squares in 2 ways, for example, as 20693401 + 53290000 = 4549^2 + 7300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73983401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73983451) 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 3 ways as a sum of consecutive naturals, for example, 6626 + ... + 13851.

It is an arithmetic number, because the mean of its divisors is an integer number (18501873).

Almost surely, 2^73983401 is an apocalyptic number.

It is an amenable number.

73983401 is a deficient number, since it is larger than the sum of its proper divisors (24091).

73983401 is a wasteful number, since it uses less digits than its factorization.

73983401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24090.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 73983401 is about 8601.3604156552. The cubic root of 73983401 is about 419.8022519583.

The spelling of 73983401 in words is "seventy-three million, nine hundred eighty-three thousand, four hundred one".