73734863 has 2 divisors, whose sum is σ = 73734864. Its totient is φ = 73734862.

The previous prime is 73734853. The next prime is 73734883. The reversal of 73734863 is 36843737.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73734863 - 2⁴ = 73734847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73734863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73734823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36867431 + 36867432.

It is an arithmetic number, because the mean of its divisors is an integer number (36867432).

Almost surely, 2^73734863 is an apocalyptic number.

73734863 is a deficient number, since it is larger than the sum of its proper divisors (1).

73734863 is an equidigital number, since it uses as much as digits as its factorization.

73734863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 41.

The square root of 73734863 is about 8586.9006632195. The cubic root of 73734863 is about 419.3316334830.

The spelling of 73734863 in words is "seventy-three million, seven hundred thirty-four thousand, eight hundred sixty-three".