75447026641 has 16 divisors (see below), whose sum is σ = 90850032000. Its totient is φ = 61206738048.

The previous prime is 75447026639. The next prime is 75447026657. The reversal of 75447026641 is 14662074457.

It is a cyclic number.

It is not a de Polignac number, because 75447026641 - 2¹ = 75447026639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75447026591 and 75447026600.

It is not an unprimeable number, because it can be changed into a prime (75447026671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130870 + ... + 409903.

It is an arithmetic number, because the mean of its divisors is an integer number (5678127000).

Almost surely, 2^75447026641 is an apocalyptic number.

It is an amenable number.

75447026641 is a deficient number, since it is larger than the sum of its proper divisors (15403005359).

75447026641 is a wasteful number, since it uses less digits than its factorization.

75447026641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541848.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 75447026641 in words is "seventy-five billion, four hundred forty-seven million, twenty-six thousand, six hundred forty-one".