67613412 has 24 divisors (see below), whose sum is σ = 158169312. Its totient is φ = 22480000.

The previous prime is 67613363. The next prime is 67613443. The reversal of 67613412 is 21431676.

It is a self number, because there is not a number n which added to its sum of digits gives 67613412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2214 + ... + 11837.

It is an arithmetic number, because the mean of its divisors is an integer number (6590388).

Almost surely, 2^67613412 is an apocalyptic number.

It is an amenable number.

67613412 is an abundant number, since it is smaller than the sum of its proper divisors (90555900).

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

67613412 is a wasteful number, since it uses less digits than its factorization.

67613412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14459 (or 14457 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 67613412 is about 8222.7375003705. The cubic root of 67613412 is about 407.3905501030.

The spelling of 67613412 in words is "sixty-seven million, six hundred thirteen thousand, four hundred twelve".