73746943 has 2 divisors, whose sum is σ = 73746944. Its totient is φ = 73746942.

The previous prime is 73746929. The next prime is 73746973. The reversal of 73746943 is 34964737.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73746943 - 2¹³ = 73738751 is a prime.

It is a super-2 number, since 2×73746943² = 10877223203690498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73746943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73746973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36873471 + 36873472.

It is an arithmetic number, because the mean of its divisors is an integer number (36873472).

Almost surely, 2^73746943 is an apocalyptic number.

73746943 is a deficient number, since it is larger than the sum of its proper divisors (1).

73746943 is an equidigital number, since it uses as much as digits as its factorization.

73746943 is an evil number, because the sum of its binary digits is even.

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

The square root of 73746943 is about 8587.6040313932. The cubic root of 73746943 is about 419.3545319660.

The spelling of 73746943 in words is "seventy-three million, seven hundred forty-six thousand, nine hundred forty-three".