73979743 has 2 divisors, whose sum is σ = 73979744. Its totient is φ = 73979742.

The previous prime is 73979723. The next prime is 73979771. The reversal of 73979743 is 34797937.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73979743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73979723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36989871 + 36989872.

It is an arithmetic number, because the mean of its divisors is an integer number (36989872).

Almost surely, 2^73979743 is an apocalyptic number.

73979743 is a deficient number, since it is larger than the sum of its proper divisors (1).

73979743 is an equidigital number, since it uses as much as digits as its factorization.

73979743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1000188, while the sum is 49.

The square root of 73979743 is about 8601.1477722453. The cubic root of 73979743 is about 419.7953330101.

The spelling of 73979743 in words is "seventy-three million, nine hundred seventy-nine thousand, seven hundred forty-three".