67249772 has 6 divisors (see below), whose sum is σ = 117687108. Its totient is φ = 33624884.

The previous prime is 67249747. The next prime is 67249781. The reversal of 67249772 is 27794276.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8406218 + ... + 8406225.

It is an arithmetic number, because the mean of its divisors is an integer number (19614518).

Almost surely, 2^67249772 is an apocalyptic number.

It is an amenable number.

67249772 is a deficient number, since it is larger than the sum of its proper divisors (50437336).

67249772 is a wasteful number, since it uses less digits than its factorization.

67249772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16812447 (or 16812445 counting only the distinct ones).

The product of its digits is 296352, while the sum is 44.

The square root of 67249772 is about 8200.5958320112. The cubic root of 67249772 is about 406.6588911291.

The spelling of 67249772 in words is "sixty-seven million, two hundred forty-nine thousand, seven hundred seventy-two".