67717242 has 16 divisors (see below), whose sum is σ = 150482880. Its totient is φ = 22572396.

The previous prime is 67717219. The next prime is 67717249. The reversal of 67717242 is 24271776.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 67717197 and 67717206.

It is not an unprimeable number, because it can be changed into a prime (67717249) 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, 626958 + ... + 627065.

It is an arithmetic number, because the mean of its divisors is an integer number (9405180).

Almost surely, 2^67717242 is an apocalyptic number.

67717242 is an abundant number, since it is smaller than the sum of its proper divisors (82765638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67717242 is a wasteful number, since it uses less digits than its factorization.

67717242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254034 (or 1254028 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 67717242 is about 8229.0486691962. The cubic root of 67717242 is about 407.5989788047.

The spelling of 67717242 in words is "sixty-seven million, seven hundred seventeen thousand, two hundred forty-two".