67714644 has 24 divisors (see below), whose sum is σ = 158548320. Its totient is φ = 22493344.

The previous prime is 67714643. The next prime is 67714649. The reversal of 67714644 is 44641776.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67714643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6114 + ... + 13145.

It is an arithmetic number, because the mean of its divisors is an integer number (6606180).

Almost surely, 2^67714644 is an apocalyptic number.

It is an amenable number.

67714644 is an abundant number, since it is smaller than the sum of its proper divisors (90833676).

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

67714644 is a wasteful number, since it uses less digits than its factorization.

67714644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19559 (or 19557 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 67714644 is about 8228.8908122541. The cubic root of 67714644 is about 407.5937661703.

The spelling of 67714644 in words is "sixty-seven million, seven hundred fourteen thousand, six hundred forty-four".