67242312 has 40 divisors (see below), whose sum is σ = 188342550. Its totient is φ = 22413888.

The previous prime is 67242257. The next prime is 67242347. The reversal of 67242312 is 21324276.

It can be written as a sum of positive squares in only one way, i.e., 41293476 + 25948836 = 6426^2 + 5094^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 51237 + ... + 52532.

Almost surely, 2^67242312 is an apocalyptic number.

It is an amenable number.

67242312 is an abundant number, since it is smaller than the sum of its proper divisors (121100238).

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

67242312 is a wasteful number, since it uses less digits than its factorization.

67242312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103787 (or 103774 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 67242312 is about 8200.1409743979. The cubic root of 67242312 is about 406.6438537174.

Adding to 67242312 its reverse (21324276), we get a palindrome (88566588).

The spelling of 67242312 in words is "sixty-seven million, two hundred forty-two thousand, three hundred twelve".