73947346 has 16 divisors (see below), whose sum is σ = 126266688. Its totient is φ = 32150800.

The previous prime is 73947343. The next prime is 73947347. The reversal of 73947346 is 64374937.

It is not an unprimeable number, because it can be changed into a prime (73947343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72565 + ... + 73576.

It is an arithmetic number, because the mean of its divisors is an integer number (7891668).

Almost surely, 2^73947346 is an apocalyptic number.

73947346 is a deficient number, since it is larger than the sum of its proper divisors (52319342).

73947346 is a wasteful number, since it uses less digits than its factorization.

73947346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146177.

The product of its digits is 381024, while the sum is 43.

The square root of 73947346 is about 8599.2642708548. The cubic root of 73947346 is about 419.7340455343.

The spelling of 73947346 in words is "seventy-three million, nine hundred forty-seven thousand, three hundred forty-six".