67714145 has 12 divisors (see below), whose sum is σ = 86319804. Its totient is φ = 50983680.

The previous prime is 67714133. The next prime is 67714177. The reversal of 67714145 is 54141776.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1893376 + 65820769 = 1376^2 + 8113^2 .

It is a de Polignac number, because none of the positive numbers 2^k-67714145 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21986 + ... + 24875.

It is an arithmetic number, because the mean of its divisors is an integer number (7193317).

Almost surely, 2^67714145 is an apocalyptic number.

It is an amenable number.

67714145 is a deficient number, since it is larger than the sum of its proper divisors (18605659).

67714145 is a wasteful number, since it uses less digits than its factorization.

67714145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46900 (or 46883 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 67714145 is about 8228.8604921945. The cubic root of 67714145 is about 407.5927649600.

The spelling of 67714145 in words is "sixty-seven million, seven hundred fourteen thousand, one hundred forty-five".