74726686094747 has 2 divisors, whose sum is σ = 74726686094748. Its totient is φ = 74726686094746.

The previous prime is 74726686094743. The next prime is 74726686094773. The reversal of 74726686094747 is 74749068662747.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74726686094747 - 2² = 74726686094743 is a prime.

It is a super-2 number, since 2×74726686094747² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74726686094743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37363343047373 + 37363343047374.

It is an arithmetic number, because the mean of its divisors is an integer number (37363343047374).

Almost surely, 2^{74726686094747} is an apocalyptic number.

74726686094747 is a deficient number, since it is larger than the sum of its proper divisors (1).

74726686094747 is an equidigital number, since it uses as much as digits as its factorization.

74726686094747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4779565056, while the sum is 77.

The spelling of 74726686094747 in words is "seventy-four trillion, seven hundred twenty-six billion, six hundred eighty-six million, ninety-four thousand, seven hundred forty-seven".