36278481 has 8 divisors (see below), whose sum is σ = 49551264. Its totient is φ = 23595680.

The previous prime is 36278471. The next prime is 36278509. The reversal of 36278481 is 18487263.

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 36278481 - 2¹⁴ = 36262097 is a prime.

It is a super-2 number, since 2×36278481² = 2632256367334722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36278441) 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, 147351 + ... + 147596.

It is an arithmetic number, because the mean of its divisors is an integer number (6193908).

Almost surely, 2^36278481 is an apocalyptic number.

It is an amenable number.

36278481 is a deficient number, since it is larger than the sum of its proper divisors (13272783).

36278481 is a wasteful number, since it uses less digits than its factorization.

36278481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294991.

The product of its digits is 64512, while the sum is 39.

The square root of 36278481 is about 6023.1620433125. The cubic root of 36278481 is about 331.0419500018.

The spelling of 36278481 in words is "thirty-six million, two hundred seventy-eight thousand, four hundred eighty-one".