73055725441 has 2 divisors, whose sum is σ = 73055725442. Its totient is φ = 73055725440.

The previous prime is 73055725399. The next prime is 73055725487. The reversal of 73055725441 is 14452755037.

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., 72900000000 + 155725441 = 270000^2 + 12479^2 .

It is a cyclic number.

It is not a de Polignac number, because 73055725441 - 2²¹ = 73053628289 is a prime.

It is not a weakly prime, because it can be changed into another prime (73055725541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36527862720 + 36527862721.

It is an arithmetic number, because the mean of its divisors is an integer number (36527862721).

Almost surely, 2^73055725441 is an apocalyptic number.

It is an amenable number.

73055725441 is a deficient number, since it is larger than the sum of its proper divisors (1).

73055725441 is an equidigital number, since it uses as much as digits as its factorization.

73055725441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588000, while the sum is 43.

The spelling of 73055725441 in words is "seventy-three billion, fifty-five million, seven hundred twenty-five thousand, four hundred forty-one".