74922037213 has 2 divisors, whose sum is σ = 74922037214. Its totient is φ = 74922037212.

The previous prime is 74922037207. The next prime is 74922037243. The reversal of 74922037213 is 31273022947.

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., 38564318884 + 36357718329 = 196378^2 + 190677^2 .

It is a cyclic number.

It is not a de Polignac number, because 74922037213 - 2⁹ = 74922036701 is a prime.

It is a super-2 number, since 2×74922037213² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74922037243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37461018606 + 37461018607.

It is an arithmetic number, because the mean of its divisors is an integer number (37461018607).

Almost surely, 2^74922037213 is an apocalyptic number.

It is an amenable number.

74922037213 is a deficient number, since it is larger than the sum of its proper divisors (1).

74922037213 is an equidigital number, since it uses as much as digits as its factorization.

74922037213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 74922037213 in words is "seventy-four billion, nine hundred twenty-two million, thirty-seven thousand, two hundred thirteen".