73764943 has 6 divisors (see below), whose sum is σ = 85808256. Its totient is φ = 63227052.

The previous prime is 73764869. The next prime is 73764959. The reversal of 73764943 is 34946737.

It is a de Polignac number, because none of the positive numbers 2^k-73764943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73764943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73764143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 752655 + ... + 752752.

It is an arithmetic number, because the mean of its divisors is an integer number (14301376).

Almost surely, 2^73764943 is an apocalyptic number.

73764943 is a deficient number, since it is larger than the sum of its proper divisors (12043313).

73764943 is a wasteful number, since it uses less digits than its factorization.

73764943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505421 (or 1505414 counting only the distinct ones).

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

The square root of 73764943 is about 8588.6519896897. The cubic root of 73764943 is about 419.3886475836.

The spelling of 73764943 in words is "seventy-three million, seven hundred sixty-four thousand, nine hundred forty-three".