76280071 has 16 divisors (see below), whose sum is σ = 93429504. Its totient is φ = 60787584.

The previous prime is 76280069. The next prime is 76280077. The reversal of 76280071 is 17008267.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 76280071 - 2¹ = 76280069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76280077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6016 + ... + 13738.

It is an arithmetic number, because the mean of its divisors is an integer number (5839344).

Almost surely, 2^76280071 is an apocalyptic number.

76280071 is a deficient number, since it is larger than the sum of its proper divisors (17149433).

76280071 is a wasteful number, since it uses less digits than its factorization.

76280071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7830.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 76280071 is about 8733.8462890069. The cubic root of 76280071 is about 424.1020413446.

The spelling of 76280071 in words is "seventy-six million, two hundred eighty thousand, seventy-one".