67780974 has 8 divisors (see below), whose sum is σ = 135561960. Its totient is φ = 22593656.

The previous prime is 67780967. The next prime is 67780991. The reversal of 67780974 is 47908776.

It is a sphenic number, since it is the product of 3 distinct primes.

67780974 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5648409 + ... + 5648420.

It is an arithmetic number, because the mean of its divisors is an integer number (16945245).

Almost surely, 2^67780974 is an apocalyptic number.

67780974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

67780974 is a wasteful number, since it uses less digits than its factorization.

67780974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11296834.

The product of its (nonzero) digits is 592704, while the sum is 48.

The square root of 67780974 is about 8232.9201380798. The cubic root of 67780974 is about 407.7268091385.

The spelling of 67780974 in words is "sixty-seven million, seven hundred eighty thousand, nine hundred seventy-four".