67743252 has 18 divisors (see below), whose sum is σ = 171239978. Its totient is φ = 22581072.

The previous prime is 67743241. The next prime is 67743253. The reversal of 67743252 is 25234776.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 67667076 + 76176 = 8226^2 + 276^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1881757 = 67743252 / (6 + 7 + 7 + 4 + 3 + 2 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67743253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 940843 + ... + 940914.

Almost surely, 2^67743252 is an apocalyptic number.

It is an amenable number.

67743252 is an abundant number, since it is smaller than the sum of its proper divisors (103496726).

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

67743252 is a wasteful number, since it uses less digits than its factorization.

67743252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881767 (or 1881762 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 67743252 is about 8230.6288945621. The cubic root of 67743252 is about 407.6511579941.

The spelling of 67743252 in words is "sixty-seven million, seven hundred forty-three thousand, two hundred fifty-two".