76672705 has 8 divisors (see below), whose sum is σ = 92054592. Its totient is φ = 61306608.

The previous prime is 76672697. The next prime is 76672709. The reversal of 76672705 is 50727667.

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 76672705 - 2³ = 76672697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76672709) 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 7 ways as a sum of consecutive naturals, for example, 15124 + ... + 19546.

It is an arithmetic number, because the mean of its divisors is an integer number (11506824).

Almost surely, 2^76672705 is an apocalyptic number.

It is an amenable number.

76672705 is a deficient number, since it is larger than the sum of its proper divisors (15381887).

76672705 is a wasteful number, since it uses less digits than its factorization.

76672705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7895.

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 76672705 is about 8756.2951640520. The cubic root of 76672705 is about 424.8284521033.

It can be divided in two parts, 76672 and 705, that added together give a palindrome (77377).

The spelling of 76672705 in words is "seventy-six million, six hundred seventy-two thousand, seven hundred five".