73678495441 has 2 divisors, whose sum is σ = 73678495442. Its totient is φ = 73678495440.

The previous prime is 73678495433. The next prime is 73678495459. The reversal of 73678495441 is 14459487637.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50996930625 + 22681564816 = 225825^2 + 150604^2 .

It is a cyclic number.

It is not a de Polignac number, because 73678495441 - 2³ = 73678495433 is a prime.

It is not a weakly prime, because it can be changed into another prime (73678495411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36839247720 + 36839247721.

It is an arithmetic number, because the mean of its divisors is an integer number (36839247721).

Almost surely, 2^73678495441 is an apocalyptic number.

It is an amenable number.

73678495441 is a deficient number, since it is larger than the sum of its proper divisors (1).

73678495441 is an equidigital number, since it uses as much as digits as its factorization.

73678495441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20321280, while the sum is 58.

The spelling of 73678495441 in words is "seventy-three billion, six hundred seventy-eight million, four hundred ninety-five thousand, four hundred forty-one".