67074738 has 32 divisors (see below), whose sum is σ = 139268160. Its totient is φ = 21510720.

The previous prime is 67074737. The next prime is 67074817. The reversal of 67074738 is 83747076.

It is a self number, because there is not a number n which added to its sum of digits gives 67074738.

It is not an unprimeable number, because it can be changed into a prime (67074737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68593 + ... + 69563.

It is an arithmetic number, because the mean of its divisors is an integer number (4352130).

Almost surely, 2^67074738 is an apocalyptic number.

67074738 is an abundant number, since it is smaller than the sum of its proper divisors (72193422).

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

67074738 is a wasteful number, since it uses less digits than its factorization.

67074738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 67074738 is about 8189.9168493947. The cubic root of 67074738 is about 406.3057748117.

The spelling of 67074738 in words is "sixty-seven million, seventy-four thousand, seven hundred thirty-eight".