742067725565 has 32 divisors (see below), whose sum is σ = 951719535360. Its totient is φ = 554235416064.

The previous prime is 742067725537. The next prime is 742067725583. The reversal of 742067725565 is 565527760247.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742067725565 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 742067725565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 398057 + ... + 1281633.

It is an arithmetic number, because the mean of its divisors is an integer number (29741235480).

Almost surely, 2^742067725565 is an apocalyptic number.

It is an amenable number.

742067725565 is a deficient number, since it is larger than the sum of its proper divisors (209651809795).

742067725565 is a wasteful number, since it uses less digits than its factorization.

742067725565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883781.

The product of its (nonzero) digits is 24696000, while the sum is 56.

The spelling of 742067725565 in words is "seven hundred forty-two billion, sixty-seven million, seven hundred twenty-five thousand, five hundred sixty-five".