73440046 has 4 divisors (see below), whose sum is σ = 110160072. Its totient is φ = 36720022.

The previous prime is 73440019. The next prime is 73440053. The reversal of 73440046 is 64004437.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 73439996 and 73440023.

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, 18360010 + ... + 18360013.

It is an arithmetic number, because the mean of its divisors is an integer number (27540018).

Almost surely, 2^73440046 is an apocalyptic number.

73440046 is a deficient number, since it is larger than the sum of its proper divisors (36720026).

73440046 is a wasteful number, since it uses less digits than its factorization.

73440046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36720025.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 73440046 is about 8569.7167981212. The cubic root of 73440046 is about 418.7720102487.

The spelling of 73440046 in words is "seventy-three million, four hundred forty thousand, forty-six".