74000062958981 has 2 divisors, whose sum is σ = 74000062958982. Its totient is φ = 74000062958980.

The previous prime is 74000062958897. The next prime is 74000062959007. The reversal of 74000062958981 is 18985926000047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59234419032100 + 14765643926881 = 7696390^2 + 3842609^2 .

It is a cyclic number.

It is not a de Polignac number, because 74000062958981 - 2¹⁰ = 74000062957957 is a prime.

It is a super-2 number, since 2×74000062958981² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74000062958981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74000062958581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37000031479490 + 37000031479491.

It is an arithmetic number, because the mean of its divisors is an integer number (37000031479491).

Almost surely, 2^{74000062958981} is an apocalyptic number.

It is an amenable number.

74000062958981 is a deficient number, since it is larger than the sum of its proper divisors (1).

74000062958981 is an equidigital number, since it uses as much as digits as its factorization.

74000062958981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 74000062958981 in words is "seventy-four trillion, sixty-two million, nine hundred fifty-eight thousand, nine hundred eighty-one".