71875601 has 12 divisors (see below), whose sum is σ = 86495220. Its totient is φ = 59482080.

The previous prime is 71875567. The next prime is 71875603. The reversal of 71875601 is 10657817.

It can be written as a sum of positive squares in 2 ways, for example, as 43573201 + 28302400 = 6601^2 + 5320^2 .

It is a de Polignac number, because none of the positive numbers 2^k-71875601 is a prime.

It is a super-2 number, since 2×71875601² = 10332204038222402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71875603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23870 + ... + 26711.

It is an arithmetic number, because the mean of its divisors is an integer number (7207935).

Almost surely, 2^71875601 is an apocalyptic number.

It is an amenable number.

71875601 is a deficient number, since it is larger than the sum of its proper divisors (14619619).

71875601 is a wasteful number, since it uses less digits than its factorization.

71875601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50624 (or 50617 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 71875601 is about 8477.9479238787. The cubic root of 71875601 is about 415.7770335768. Note that the first 3 decimals are identical.

The spelling of 71875601 in words is "seventy-one million, eight hundred seventy-five thousand, six hundred one".