76672345 has 4 divisors (see below), whose sum is σ = 92006820. Its totient is φ = 61337872.

The previous prime is 76672333. The next prime is 76672361. The reversal of 76672345 is 54327667.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19079424 + 57592921 = 4368^2 + 7589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76672345 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 76672298 and 76672307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7667230 + ... + 7667239.

It is an arithmetic number, because the mean of its divisors is an integer number (23001705).

Almost surely, 2^76672345 is an apocalyptic number.

It is an amenable number.

76672345 is a deficient number, since it is larger than the sum of its proper divisors (15334475).

76672345 is a wasteful number, since it uses less digits than its factorization.

76672345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15334474.

The product of its digits is 211680, while the sum is 40.

The square root of 76672345 is about 8756.2746073887. The cubic root of 76672345 is about 424.8277872058.

The spelling of 76672345 in words is "seventy-six million, six hundred seventy-two thousand, three hundred forty-five".