73538445 has 8 divisors (see below), whose sum is σ = 117661536. Its totient is φ = 39220496.

The previous prime is 73538419. The next prime is 73538459. The reversal of 73538445 is 54483537.

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

It is a cyclic number.

It is not a de Polignac number, because 73538445 - 2⁷ = 73538317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2451267 + ... + 2451296.

It is an arithmetic number, because the mean of its divisors is an integer number (14707692).

Almost surely, 2^73538445 is an apocalyptic number.

It is an amenable number.

73538445 is a deficient number, since it is larger than the sum of its proper divisors (44123091).

73538445 is a wasteful number, since it uses less digits than its factorization.

73538445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4902571.

The product of its digits is 201600, while the sum is 39.

The square root of 73538445 is about 8575.4559645537. The cubic root of 73538445 is about 418.9589580122.

The spelling of 73538445 in words is "seventy-three million, five hundred thirty-eight thousand, four hundred forty-five".