73424453 has 4 divisors (see below), whose sum is σ = 73442028. Its totient is φ = 73406880.

The previous prime is 73424447. The next prime is 73424459. The reversal of 73424453 is 35442437.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (73424447) and next prime (73424459).

It can be written as a sum of positive squares in 2 ways, for example, as 28494244 + 44930209 = 5338^2 + 6703^2 .

It is a cyclic number.

It is not a de Polignac number, because 73424453 - 2¹⁶ = 73358917 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 (73424459) 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, 1475 + ... + 12207.

It is an arithmetic number, because the mean of its divisors is an integer number (18360507).

Almost surely, 2^73424453 is an apocalyptic number.

It is an amenable number.

73424453 is a deficient number, since it is larger than the sum of its proper divisors (17575).

73424453 is a wasteful number, since it uses less digits than its factorization.

73424453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17574.

The product of its digits is 40320, while the sum is 32.

The square root of 73424453 is about 8568.8069764699. The cubic root of 73424453 is about 418.7423698617.

The spelling of 73424453 in words is "seventy-three million, four hundred twenty-four thousand, four hundred fifty-three".