74260686722 has 4 divisors (see below), whose sum is σ = 111391030086. Its totient is φ = 37130343360.

The previous prime is 74260686649. The next prime is 74260686739. The reversal of 74260686722 is 22768606247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22768606247 = 15541 ⋅1465067.

It can be written as a sum of positive squares in only one way, i.e., 50643451681 + 23617235041 = 225041^2 + 153679^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18565171679 + ... + 18565171682.

Almost surely, 2^74260686722 is an apocalyptic number.

74260686722 is a deficient number, since it is larger than the sum of its proper divisors (37130343364).

74260686722 is a wasteful number, since it uses less digits than its factorization.

74260686722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37130343363.

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 74260686722 in words is "seventy-four billion, two hundred sixty million, six hundred eighty-six thousand, seven hundred twenty-two".