73930047 has 4 divisors (see below), whose sum is σ = 98573400. Its totient is φ = 49286696.

The previous prime is 73929997. The next prime is 73930057. The reversal of 73930047 is 74003937.

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 73930047 - 2¹¹ = 73927999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73930057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12321672 + ... + 12321677.

It is an arithmetic number, because the mean of its divisors is an integer number (24643350).

Almost surely, 2^73930047 is an apocalyptic number.

73930047 is a deficient number, since it is larger than the sum of its proper divisors (24643353).

73930047 is a wasteful number, since it uses less digits than its factorization.

73930047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24643352.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 73930047 is about 8598.2583701585. The cubic root of 73930047 is about 419.7013125790.

The spelling of 73930047 in words is "seventy-three million, nine hundred thirty thousand, forty-seven".