67431012 has 48 divisors (see below), whose sum is σ = 172200000. Its totient is φ = 20367360.

The previous prime is 67430971. The next prime is 67431059. The reversal of 67431012 is 21013476.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53364 + ... + 54612.

It is an arithmetic number, because the mean of its divisors is an integer number (3587500).

Almost surely, 2^67431012 is an apocalyptic number.

It is an amenable number.

67431012 is an abundant number, since it is smaller than the sum of its proper divisors (104768988).

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

67431012 is a wasteful number, since it uses less digits than its factorization.

67431012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676 (or 1674 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 67431012 is about 8211.6388132942. The cubic root of 67431012 is about 407.0238824333.

Adding to 67431012 its reverse (21013476), we get a palindrome (88444488).

The spelling of 67431012 in words is "sixty-seven million, four hundred thirty-one thousand, twelve".