73042449 has 4 divisors (see below), whose sum is σ = 97389936. Its totient is φ = 48694964.

The previous prime is 73042447. The next prime is 73042451. The reversal of 73042449 is 94424037.

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 an interprime number because it is at equal distance from previous prime (73042447) and next prime (73042451).

It is a cyclic number.

It is not a de Polignac number, because 73042449 - 2¹ = 73042447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73042447) 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, 12173739 + ... + 12173744.

It is an arithmetic number, because the mean of its divisors is an integer number (24347484).

Almost surely, 2^73042449 is an apocalyptic number.

It is an amenable number.

73042449 is a deficient number, since it is larger than the sum of its proper divisors (24347487).

73042449 is a wasteful number, since it uses less digits than its factorization.

73042449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24347486.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 73042449 is about 8546.4875241236. The cubic root of 73042449 is about 418.0149125118.

The spelling of 73042449 in words is "seventy-three million, forty-two thousand, four hundred forty-nine".