67752272 has 20 divisors (see below), whose sum is σ = 150023136. Its totient is φ = 29036640.

The previous prime is 67752263. The next prime is 67752281. The reversal of 67752272 is 27225776.

It is an interprime number because it is at equal distance from previous prime (67752263) and next prime (67752281).

It is a super-2 number, since 2×67752272² = 9180740722323968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302354 + ... + 302577.

Almost surely, 2^67752272 is an apocalyptic number.

It is an amenable number.

67752272 is an abundant number, since it is smaller than the sum of its proper divisors (82270864).

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

67752272 is a wasteful number, since it uses less digits than its factorization.

67752272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604946 (or 604940 counting only the distinct ones).

The product of its digits is 82320, while the sum is 38.

The square root of 67752272 is about 8231.1768295913. The cubic root of 67752272 is about 407.6692500803.

The spelling of 67752272 in words is "sixty-seven million, seven hundred fifty-two thousand, two hundred seventy-two".