73443453 has 8 divisors (see below), whose sum is σ = 98934528. Its totient is φ = 48457344.

The previous prime is 73443449. The next prime is 73443467. The reversal of 73443453 is 35434437.

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

It is not a de Polignac number, because 73443453 - 2² = 73443449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73443443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125901 + ... + 126482.

It is an arithmetic number, because the mean of its divisors is an integer number (12366816).

Almost surely, 2^73443453 is an apocalyptic number.

It is an amenable number.

73443453 is a deficient number, since it is larger than the sum of its proper divisors (25491075).

73443453 is a wasteful number, since it uses less digits than its factorization.

73443453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252483.

The product of its digits is 60480, while the sum is 33.

The square root of 73443453 is about 8569.9155771804. The cubic root of 73443453 is about 418.7784859808.

The spelling of 73443453 in words is "seventy-three million, four hundred forty-three thousand, four hundred fifty-three".