74749734151 has 2 divisors, whose sum is σ = 74749734152. Its totient is φ = 74749734150.

The previous prime is 74749734113. The next prime is 74749734239. The reversal of 74749734151 is 15143794747.

It is a weak prime.

It is an emirp because it is prime and its reverse (15143794747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74749734151 - 2¹⁷ = 74749603079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74749734251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37374867075 + 37374867076.

It is an arithmetic number, because the mean of its divisors is an integer number (37374867076).

Almost surely, 2^74749734151 is an apocalyptic number.

74749734151 is a deficient number, since it is larger than the sum of its proper divisors (1).

74749734151 is an equidigital number, since it uses as much as digits as its factorization.

74749734151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 52.

The spelling of 74749734151 in words is "seventy-four billion, seven hundred forty-nine million, seven hundred thirty-four thousand, one hundred fifty-one".