76520071 has 8 divisors (see below), whose sum is σ = 77406560. Its totient is φ = 75637152.

The previous prime is 76520051. The next prime is 76520083. The reversal of 76520071 is 17002567.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76520071 - 2¹¹ = 76518023 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 (76520051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89281 + ... + 90133.

It is an arithmetic number, because the mean of its divisors is an integer number (9675820).

Almost surely, 2^76520071 is an apocalyptic number.

76520071 is a deficient number, since it is larger than the sum of its proper divisors (886489).

76520071 is a wasteful number, since it uses less digits than its factorization.

76520071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 76520071 is about 8747.5751497201. The cubic root of 76520071 is about 424.5463597911.

The spelling of 76520071 in words is "seventy-six million, five hundred twenty thousand, seventy-one".