73023047 has 4 divisors (see below), whose sum is σ = 73042296. Its totient is φ = 73003800.

The previous prime is 73023043. The next prime is 73023077. The reversal of 73023047 is 74032037.

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

It is a cyclic number.

It is not a de Polignac number, because 73023047 - 2² = 73023043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73023043) 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, 1829 + ... + 12222.

It is an arithmetic number, because the mean of its divisors is an integer number (18260574).

Almost surely, 2^73023047 is an apocalyptic number.

73023047 is a deficient number, since it is larger than the sum of its proper divisors (19249).

73023047 is a wasteful number, since it uses less digits than its factorization.

73023047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19248.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 73023047 is about 8545.3523625419. The cubic root of 73023047 is about 417.9778973074.

The spelling of 73023047 in words is "seventy-three million, twenty-three thousand, forty-seven".