742265074881 has 24 divisors (see below), whose sum is σ = 1169656980960. Its totient is φ = 449847172800.

The previous prime is 742265074877. The next prime is 742265074907. The reversal of 742265074881 is 188470562247.

742265074881 is a `hidden beast` number, since 74 + 2 + 26 + 507 + 48 + 8 + 1 = 666.

It is not a de Polignac number, because 742265074881 - 2² = 742265074877 is a prime.

It is a super-2 number, since 2×742265074881² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (742265074981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7666866 + ... + 7763076.

It is an arithmetic number, because the mean of its divisors is an integer number (48735707540).

Almost surely, 2^742265074881 is an apocalyptic number.

It is an amenable number.

742265074881 is a deficient number, since it is larger than the sum of its proper divisors (427391906079).

742265074881 is a wasteful number, since it uses less digits than its factorization.

742265074881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174157 (or 174154 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 54.

The spelling of 742265074881 in words is "seven hundred forty-two billion, two hundred sixty-five million, seventy-four thousand, eight hundred eighty-one".