745611776001 has 32 divisors (see below), whose sum is σ = 1125643703040. Its totient is φ = 487612569600.

The previous prime is 745611775967. The next prime is 745611776003. The reversal of 745611776001 is 100677116547.

It is a happy number.

745611776001 is a `hidden beast` number, since 7 + 4 + 561 + 17 + 76 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 745611776001 - 2⁷ = 745611775873 is a prime.

It is a super-2 number, since 2×745611776001² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (745611776003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8989761 + ... + 9072321.

It is an arithmetic number, because the mean of its divisors is an integer number (35176365720).

Almost surely, 2^745611776001 is an apocalyptic number.

It is an amenable number.

745611776001 is a deficient number, since it is larger than the sum of its proper divisors (380031927039).

745611776001 is a wasteful number, since it uses less digits than its factorization.

745611776001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88934 (or 88928 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 45.

The spelling of 745611776001 in words is "seven hundred forty-five billion, six hundred eleven million, seven hundred seventy-six thousand, one".