67542772 has 24 divisors (see below), whose sum is σ = 129265920. Its totient is φ = 30624960.

The previous prime is 67542737. The next prime is 67542779. The reversal of 67542772 is 27724576.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67542779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18429 + ... + 21787.

It is an arithmetic number, because the mean of its divisors is an integer number (5386080).

Almost surely, 2^67542772 is an apocalyptic number.

It is an amenable number.

67542772 is a deficient number, since it is larger than the sum of its proper divisors (61723148).

67542772 is a wasteful number, since it uses less digits than its factorization.

67542772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831 (or 3829 counting only the distinct ones).

The product of its digits is 164640, while the sum is 40.

The square root of 67542772 is about 8218.4409713765. The cubic root of 67542772 is about 407.2486251234.

The spelling of 67542772 in words is "sixty-seven million, five hundred forty-two thousand, seven hundred seventy-two".