76670707 has 4 divisors (see below), whose sum is σ = 80004240. Its totient is φ = 73337176.

The previous prime is 76670641. The next prime is 76670723. The reversal of 76670707 is 70707667.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76670707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76670707.

It is not an unprimeable number, because it can be changed into a prime (76674707) 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, 1666732 + ... + 1666777.

It is an arithmetic number, because the mean of its divisors is an integer number (20001060).

Almost surely, 2^76670707 is an apocalyptic number.

76670707 is a deficient number, since it is larger than the sum of its proper divisors (3333533).

76670707 is a wasteful number, since it uses less digits than its factorization.

76670707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333532.

The product of its (nonzero) digits is 86436, while the sum is 40.

The square root of 76670707 is about 8756.1810739614. The cubic root of 76670707 is about 424.8247618956.

It can be divided in two parts, 76670 and 707, that added together give a palindrome (77377).

The spelling of 76670707 in words is "seventy-six million, six hundred seventy thousand, seven hundred seven".