75234449 has 8 divisors (see below), whose sum is σ = 78604992. Its totient is φ = 71872240.

The previous prime is 75234407. The next prime is 75234463. The reversal of 75234449 is 94443257.

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

It is not a de Polignac number, because 75234449 - 2¹⁶ = 75168913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75234349) 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, 22862 + ... + 25944.

It is an arithmetic number, because the mean of its divisors is an integer number (9825624).

Almost surely, 2^75234449 is an apocalyptic number.

It is an amenable number.

75234449 is a deficient number, since it is larger than the sum of its proper divisors (3370543).

75234449 is a wasteful number, since it uses less digits than its factorization.

75234449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167.

The product of its digits is 120960, while the sum is 38.

The square root of 75234449 is about 8673.7793953962. The cubic root of 75234449 is about 422.1553021082.

The spelling of 75234449 in words is "seventy-five million, two hundred thirty-four thousand, four hundred forty-nine".