76212645 has 16 divisors (see below), whose sum is σ = 124915392. Its totient is φ = 39655040.

The previous prime is 76212599. The next prime is 76212659. The reversal of 76212645 is 54621267.

It is not a de Polignac number, because 76212645 - 2¹¹ = 76210597 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 61347 + ... + 62576.

It is an arithmetic number, because the mean of its divisors is an integer number (7807212).

Almost surely, 2^76212645 is an apocalyptic number.

It is an amenable number.

76212645 is a deficient number, since it is larger than the sum of its proper divisors (48702747).

76212645 is a wasteful number, since it uses less digits than its factorization.

76212645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123972.

The product of its digits is 20160, while the sum is 33.

The square root of 76212645 is about 8729.9853951768. The cubic root of 76212645 is about 423.9770461200.

The spelling of 76212645 in words is "seventy-six million, two hundred twelve thousand, six hundred forty-five".