71450407601 has 4 divisors (see below), whose sum is σ = 75653372772. Its totient is φ = 67247442432.

The previous prime is 71450407579. The next prime is 71450407607. The reversal of 71450407601 is 10670405417.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30646003600 + 40804404001 = 175060^2 + 202001^2 .

It is a cyclic number.

It is not a de Polignac number, because 71450407601 - 2³⁴ = 54270538417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71450407607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2101482560 + ... + 2101482593.

It is an arithmetic number, because the mean of its divisors is an integer number (18913343193).

Almost surely, 2^71450407601 is an apocalyptic number.

It is an amenable number.

71450407601 is a deficient number, since it is larger than the sum of its proper divisors (4202965171).

71450407601 is a wasteful number, since it uses less digits than its factorization.

71450407601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202965170.

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 71450407601 in words is "seventy-one billion, four hundred fifty million, four hundred seven thousand, six hundred one".