71770052741 has 4 divisors (see below), whose sum is σ = 71973367692. Its totient is φ = 71566737792.

The previous prime is 71770052737. The next prime is 71770052749. The reversal of 71770052741 is 14725007717.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14725007717 = 7 ⋅2103572531.

It can be written as a sum of positive squares in 2 ways, for example, as 40262027716 + 31508025025 = 200654^2 + 177505^2 .

It is a cyclic number.

It is not a de Polignac number, because 71770052741 - 2² = 71770052737 is a prime.

It is a super-2 number, since 2×71770052741² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71770052749) 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, 101656946 + ... + 101657651.

It is an arithmetic number, because the mean of its divisors is an integer number (17993341923).

Almost surely, 2^71770052741 is an apocalyptic number.

It is an amenable number.

71770052741 is a deficient number, since it is larger than the sum of its proper divisors (203314951).

71770052741 is a wasteful number, since it uses less digits than its factorization.

71770052741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203314950.

The product of its (nonzero) digits is 96040, while the sum is 41.

The spelling of 71770052741 in words is "seventy-one billion, seven hundred seventy million, fifty-two thousand, seven hundred forty-one".