73144382 has 4 divisors (see below), whose sum is σ = 109716576. Its totient is φ = 36572190.

The previous prime is 73144367. The next prime is 73144391. The reversal of 73144382 is 28344137.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28344137 = 31 ⋅914327.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18286094 + ... + 18286097.

It is an arithmetic number, because the mean of its divisors is an integer number (27429144).

Almost surely, 2^73144382 is an apocalyptic number.

73144382 is a deficient number, since it is larger than the sum of its proper divisors (36572194).

73144382 is a wasteful number, since it uses less digits than its factorization.

73144382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36572193.

The product of its digits is 16128, while the sum is 32.

The square root of 73144382 is about 8552.4488890610. The cubic root of 73144382 is about 418.2092730471.

The spelling of 73144382 in words is "seventy-three million, one hundred forty-four thousand, three hundred eighty-two".