73814009 has 2 divisors, whose sum is σ = 73814010. Its totient is φ = 73814008.

The previous prime is 73813997. The next prime is 73814033. The reversal of 73814009 is 90041837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54804409 + 19009600 = 7403^2 + 4360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73814009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73814099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36907004 + 36907005.

It is an arithmetic number, because the mean of its divisors is an integer number (36907005).

Almost surely, 2^73814009 is an apocalyptic number.

It is an amenable number.

73814009 is a deficient number, since it is larger than the sum of its proper divisors (1).

73814009 is an equidigital number, since it uses as much as digits as its factorization.

73814009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 73814009 is about 8591.5079584436. The cubic root of 73814009 is about 419.4816147922.

The spelling of 73814009 in words is "seventy-three million, eight hundred fourteen thousand, nine".