74771265142 has 8 divisors (see below), whose sum is σ = 128179311696. Its totient is φ = 32044827912.

The previous prime is 74771265137. The next prime is 74771265143. The reversal of 74771265142 is 24156217747.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 74771265092 and 74771265101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74771265143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2670402313 + ... + 2670402340.

It is an arithmetic number, because the mean of its divisors is an integer number (16022413962).

Almost surely, 2^74771265142 is an apocalyptic number.

74771265142 is a deficient number, since it is larger than the sum of its proper divisors (53408046554).

74771265142 is a wasteful number, since it uses less digits than its factorization.

74771265142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340804662.

The product of its digits is 658560, while the sum is 46.

The spelling of 74771265142 in words is "seventy-four billion, seven hundred seventy-one million, two hundred sixty-five thousand, one hundred forty-two".