78274141 has 8 divisors (see below), whose sum is σ = 85514400. Its totient is φ = 71054640.

The previous prime is 78274123. The next prime is 78274159. The reversal of 78274141 is 14147287.

It is an interprime number because it is at equal distance from previous prime (78274123) and next prime (78274159).

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 78274141 - 2⁵ = 78274109 is a prime.

It is a super-2 number, since 2×78274141² = 12253682298575762, 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 = 78274097 and 78274106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78274111) 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, 3315 + ... + 12943.

It is an arithmetic number, because the mean of its divisors is an integer number (10689300).

Almost surely, 2^78274141 is an apocalyptic number.

It is an amenable number.

78274141 is a deficient number, since it is larger than the sum of its proper divisors (7240259).

78274141 is a wasteful number, since it uses less digits than its factorization.

78274141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10379.

The product of its digits is 12544, while the sum is 34.

The square root of 78274141 is about 8847.2674312468. The cubic root of 78274141 is about 427.7658431082.

The spelling of 78274141 in words is "seventy-eight million, two hundred seventy-four thousand, one hundred forty-one".