67412345 has 32 divisors (see below), whose sum is σ = 108622080. Its totient is φ = 38787840.

The previous prime is 67412341. The next prime is 67412353. The reversal of 67412345 is 54321476.

It is not a de Polignac number, because 67412345 - 2² = 67412341 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (67412341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1730 + ... + 11739.

It is an arithmetic number, because the mean of its divisors is an integer number (3394440).

Almost surely, 2^67412345 is an apocalyptic number.

67412345 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

67412345 is a deficient number, since it is larger than the sum of its proper divisors (41209735).

67412345 is a wasteful number, since it uses less digits than its factorization.

67412345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13505.

The product of its digits is 20160, while the sum is 32.

The square root of 67412345 is about 8210.5021161924. The cubic root of 67412345 is about 406.9863200130.

The spelling of 67412345 in words is "sixty-seven million, four hundred twelve thousand, three hundred forty-five".