76278641 has 8 divisors (see below), whose sum is σ = 77049984. Its totient is φ = 75511440.

The previous prime is 76278617. The next prime is 76278647. The reversal of 76278641 is 14687267.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 76278641 - 2¹⁸ = 76016497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76278647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46070 + ... + 47696.

It is an arithmetic number, because the mean of its divisors is an integer number (9631248).

Almost surely, 2^76278641 is an apocalyptic number.

It is an amenable number.

76278641 is a deficient number, since it is larger than the sum of its proper divisors (771343).

76278641 is a wasteful number, since it uses less digits than its factorization.

76278641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071.

The product of its digits is 112896, while the sum is 41.

The square root of 76278641 is about 8733.7644232026. The cubic root of 76278641 is about 424.0993911561.

The spelling of 76278641 in words is "seventy-six million, two hundred seventy-eight thousand, six hundred forty-one".