67400694 has 32 divisors (see below), whose sum is σ = 153267840. Its totient is φ = 21943656.

The previous prime is 67400693. The next prime is 67400713. The reversal of 67400694 is 49600476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67400693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12192 + ... + 16835.

It is an arithmetic number, because the mean of its divisors is an integer number (4789620).

Almost surely, 2^67400694 is an apocalyptic number.

67400694 is an abundant number, since it is smaller than the sum of its proper divisors (85867146).

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

67400694 is a wasteful number, since it uses less digits than its factorization.

67400694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29081 (or 29075 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 67400694 is about 8209.7925674161. The cubic root of 67400694 is about 406.9628719298.

The spelling of 67400694 in words is "sixty-seven million, four hundred thousand, six hundred ninety-four".