67272540 has 48 divisors (see below), whose sum is σ = 198280320. Its totient is φ = 16994880.

The previous prime is 67272533. The next prime is 67272551. The reversal of 67272540 is 4527276.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 28366 + ... + 30645.

It is an arithmetic number, because the mean of its divisors is an integer number (4130840).

Almost surely, 2^67272540 is an apocalyptic number.

67272540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67272540 is an abundant number, since it is smaller than the sum of its proper divisors (131007780).

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

67272540 is a wasteful number, since it uses less digits than its factorization.

67272540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59042 (or 59040 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 67272540 is about 8201.9839063485. The cubic root of 67272540 is about 406.7047785954.

The spelling of 67272540 in words is "sixty-seven million, two hundred seventy-two thousand, five hundred forty".