78275041 has 8 divisors (see below), whose sum is σ = 88733120. Its totient is φ = 68450832.

The previous prime is 78275039. The next prime is 78275051. The reversal of 78275041 is 14057287.

It is a happy number.

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 78275041 - 2¹ = 78275039 is a prime.

It is a super-2 number, since 2×78275041² = 12253964087103362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78274988 and 78275006.

It is not an unprimeable number, because it can be changed into a prime (78275051) 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, 158205 + ... + 158698.

It is an arithmetic number, because the mean of its divisors is an integer number (11091640).

Almost surely, 2^78275041 is an apocalyptic number.

It is an amenable number.

78275041 is a deficient number, since it is larger than the sum of its proper divisors (10458079).

78275041 is a wasteful number, since it uses less digits than its factorization.

78275041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316935.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 78275041 is about 8847.3182942630. The cubic root of 78275041 is about 427.7674825930.

The spelling of 78275041 in words is "seventy-eight million, two hundred seventy-five thousand, forty-one".