68474187 has 16 divisors (see below), whose sum is σ = 101694880. Its totient is φ = 45536256.

The previous prime is 68474183. The next prime is 68474207. The reversal of 68474187 is 78147486.

It is not a de Polignac number, because 68474187 - 2² = 68474183 is a prime.

It is a super-3 number, since 3×68474187³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68474183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8763 + ... + 14619.

It is an arithmetic number, because the mean of its divisors is an integer number (6355930).

Almost surely, 2^68474187 is an apocalyptic number.

68474187 is a deficient number, since it is larger than the sum of its proper divisors (33220693).

68474187 is a wasteful number, since it uses less digits than its factorization.

68474187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6299 (or 6293 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 68474187 is about 8274.9131113263. The cubic root of 68474187 is about 409.1120720769.

The spelling of 68474187 in words is "sixty-eight million, four hundred seventy-four thousand, one hundred eighty-seven".