73429453 has 4 divisors (see below), whose sum is σ = 74674080. Its totient is φ = 72184828.

The previous prime is 73429429. The next prime is 73429469. The reversal of 73429453 is 35492437.

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 73429453 - 2⁹ = 73428941 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 (73429403) 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, 622225 + ... + 622342.

It is an arithmetic number, because the mean of its divisors is an integer number (18668520).

Almost surely, 2^73429453 is an apocalyptic number.

It is an amenable number.

73429453 is a deficient number, since it is larger than the sum of its proper divisors (1244627).

73429453 is a wasteful number, since it uses less digits than its factorization.

73429453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244626.

The product of its digits is 90720, while the sum is 37.

The square root of 73429453 is about 8569.0987274042. The cubic root of 73429453 is about 418.7518747076.

The spelling of 73429453 in words is "seventy-three million, four hundred twenty-nine thousand, four hundred fifty-three".