73994743 has 2 divisors, whose sum is σ = 73994744. Its totient is φ = 73994742.

The previous prime is 73994729. The next prime is 73994777. The reversal of 73994743 is 34749937.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73994743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73994693 and 73994702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73934743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36997371 + 36997372.

It is an arithmetic number, because the mean of its divisors is an integer number (36997372).

Almost surely, 2^73994743 is an apocalyptic number.

73994743 is a deficient number, since it is larger than the sum of its proper divisors (1).

73994743 is an equidigital number, since it uses as much as digits as its factorization.

73994743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 46.

The square root of 73994743 is about 8602.0197046973. The cubic root of 73994743 is about 419.8237034090.

The spelling of 73994743 in words is "seventy-three million, nine hundred ninety-four thousand, seven hundred forty-three".