73262437481 has 2 divisors, whose sum is σ = 73262437482. Its totient is φ = 73262437480.

The previous prime is 73262437447. The next prime is 73262437483. The reversal of 73262437481 is 18473426237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37063950400 + 36198487081 = 192520^2 + 190259^2 .

It is a cyclic number.

It is not a de Polignac number, because 73262437481 - 2¹⁴ = 73262421097 is a prime.

It is a super-2 number, since 2×73262437481² (a number of 23 digits) contains 22 as substring.

Together with 73262437483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73262437483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36631218740 + 36631218741.

It is an arithmetic number, because the mean of its divisors is an integer number (36631218741).

Almost surely, 2^73262437481 is an apocalyptic number.

It is an amenable number.

73262437481 is a deficient number, since it is larger than the sum of its proper divisors (1).

73262437481 is an equidigital number, since it uses as much as digits as its factorization.

73262437481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 47.

The spelling of 73262437481 in words is "seventy-three billion, two hundred sixty-two million, four hundred thirty-seven thousand, four hundred eighty-one".