73511671061 has 32 divisors (see below), whose sum is σ = 80752550400. Its totient is φ = 66652528320.

The previous prime is 73511671043. The next prime is 73511671073. The reversal of 73511671061 is 16017611537.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73511671061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73511671091) 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, 44097350 + ... + 44099016.

It is an arithmetic number, because the mean of its divisors is an integer number (2523517200).

Almost surely, 2^73511671061 is an apocalyptic number.

It is an amenable number.

73511671061 is a deficient number, since it is larger than the sum of its proper divisors (7240879339).

73511671061 is a wasteful number, since it uses less digits than its factorization.

73511671061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369.

The product of its (nonzero) digits is 26460, while the sum is 38.

The spelling of 73511671061 in words is "seventy-three billion, five hundred eleven million, six hundred seventy-one thousand, sixty-one".