7400734737667 has 2 divisors, whose sum is σ = 7400734737668. Its totient is φ = 7400734737666.

The previous prime is 7400734737631. The next prime is 7400734737691. The reversal of 7400734737667 is 7667374370047.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7400734737667 is a prime.

It is a super-2 number, since 2×7400734737667² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7400734717667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3700367368833 + 3700367368834.

It is an arithmetic number, because the mean of its divisors is an integer number (3700367368834).

Almost surely, 2^{7400734737667} is an apocalyptic number.

7400734737667 is a deficient number, since it is larger than the sum of its proper divisors (1).

7400734737667 is an equidigital number, since it uses as much as digits as its factorization.

7400734737667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87127488, while the sum is 61.

The spelling of 7400734737667 in words is "seven trillion, four hundred billion, seven hundred thirty-four million, seven hundred thirty-seven thousand, six hundred sixty-seven".