67412040 has 32 divisors (see below), whose sum is σ = 202236480. Its totient is φ = 17976512.

The previous prime is 67412029. The next prime is 67412041. The reversal of 67412040 is 4021476.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 67412040.

It is not an unprimeable number, because it can be changed into a prime (67412041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280764 + ... + 281003.

It is an arithmetic number, because the mean of its divisors is an integer number (6319890).

Almost surely, 2^67412040 is an apocalyptic number.

67412040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67412040 is an abundant number, since it is smaller than the sum of its proper divisors (134824440).

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

67412040 is a wasteful number, since it uses less digits than its factorization.

67412040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561781 (or 561777 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 67412040 is about 8210.4835423987. The cubic root of 67412040 is about 406.9857062233.

The spelling of 67412040 in words is "sixty-seven million, four hundred twelve thousand, forty".