67239234 has 40 divisors (see below), whose sum is σ = 153888768. Its totient is φ = 21933720.

The previous prime is 67239163. The next prime is 67239239. The reversal of 67239234 is 43293276.

It is a happy number.

It is a super-2 number, since 2×67239234² = 9042229177813512, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (67239239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3199 + ... + 12029.

Almost surely, 2^67239234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67239234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76944384).

67239234 is an abundant number, since it is smaller than the sum of its proper divisors (86649534).

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

67239234 is a wasteful number, since it uses less digits than its factorization.

67239234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8892 (or 8883 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 67239234 is about 8199.9532925499. The cubic root of 67239234 is about 406.6376489492.

The spelling of 67239234 in words is "sixty-seven million, two hundred thirty-nine thousand, two hundred thirty-four".