76620707 has 4 divisors (see below), whose sum is σ = 76661256. Its totient is φ = 76580160.

The previous prime is 76620701. The next prime is 76620743. The reversal of 76620707 is 70702667.

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

It is a cyclic number.

It is not a de Polignac number, because 76620707 - 2²⁰ = 75572131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76620701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17294 + ... + 21267.

It is an arithmetic number, because the mean of its divisors is an integer number (19165314).

Almost surely, 2^76620707 is an apocalyptic number.

76620707 is a deficient number, since it is larger than the sum of its proper divisors (40549).

76620707 is a wasteful number, since it uses less digits than its factorization.

76620707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40548.

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 76620707 is about 8753.3254823524. The cubic root of 76620707 is about 424.7323934713.

The spelling of 76620707 in words is "seventy-six million, six hundred twenty thousand, seven hundred seven".