74226756730123 has 4 divisors (see below), whose sum is σ = 75443588807728. Its totient is φ = 73009924652520.

The previous prime is 74226756730103. The next prime is 74226756730151. The reversal of 74226756730123 is 32103765762247.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74226756730123 - 2²¹ = 74226754632971 is a prime.

It is a super-2 number, since 2×74226756730123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74226756730103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608416038711 + ... + 608416038832.

It is an arithmetic number, because the mean of its divisors is an integer number (18860897201932).

Almost surely, 2^{74226756730123} is an apocalyptic number.

74226756730123 is a deficient number, since it is larger than the sum of its proper divisors (1216832077605).

74226756730123 is a wasteful number, since it uses less digits than its factorization.

74226756730123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216832077604.

The product of its (nonzero) digits is 17781120, while the sum is 55.

The spelling of 74226756730123 in words is "seventy-four trillion, two hundred twenty-six billion, seven hundred fifty-six million, seven hundred thirty thousand, one hundred twenty-three".