73214789 has 2 divisors, whose sum is σ = 73214790. Its totient is φ = 73214788.

The previous prime is 73214761. The next prime is 73214797. The reversal of 73214789 is 98741237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71537764 + 1677025 = 8458^2 + 1295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73214789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73214489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36607394 + 36607395.

It is an arithmetic number, because the mean of its divisors is an integer number (36607395).

Almost surely, 2^73214789 is an apocalyptic number.

It is an amenable number.

73214789 is a deficient number, since it is larger than the sum of its proper divisors (1).

73214789 is an equidigital number, since it uses as much as digits as its factorization.

73214789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 41.

The square root of 73214789 is about 8556.5640884645. The cubic root of 73214789 is about 418.3434160343.

The spelling of 73214789 in words is "seventy-three million, two hundred fourteen thousand, seven hundred eighty-nine".