76120647 has 4 divisors (see below), whose sum is σ = 101494200. Its totient is φ = 50747096.

The previous prime is 76120637. The next prime is 76120663. The reversal of 76120647 is 74602167.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74602167 = 3 ⋅24867389.

It is a cyclic number.

It is not a de Polignac number, because 76120647 - 2⁸ = 76120391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76120637) 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, 12686772 + ... + 12686777.

It is an arithmetic number, because the mean of its divisors is an integer number (25373550).

Almost surely, 2^76120647 is an apocalyptic number.

76120647 is a deficient number, since it is larger than the sum of its proper divisors (25373553).

76120647 is a wasteful number, since it uses less digits than its factorization.

76120647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25373552.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 76120647 is about 8724.7147231299. The cubic root of 76120647 is about 423.8063800167.

It can be divided in two parts, 76120 and 647, that added together give a palindrome (76767).

The spelling of 76120647 in words is "seventy-six million, one hundred twenty thousand, six hundred forty-seven".