67401612 has 24 divisors (see below), whose sum is σ = 174745200. Its totient is φ = 22467168.

The previous prime is 67401611. The next prime is 67401667. The reversal of 67401612 is 21610476.

67401612 is a `hidden beast` number, since 6 + 7 + 40 + 1 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (67401611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311937 + ... + 312152.

It is an arithmetic number, because the mean of its divisors is an integer number (7281050).

Almost surely, 2^67401612 is an apocalyptic number.

It is an amenable number.

67401612 is an abundant number, since it is smaller than the sum of its proper divisors (107343588).

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

67401612 is a wasteful number, since it uses less digits than its factorization.

67401612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624102 (or 624094 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 67401612 is about 8209.8484760682. The cubic root of 67401612 is about 406.9647195380.

The spelling of 67401612 in words is "sixty-seven million, four hundred one thousand, six hundred twelve".