67370661 has 12 divisors (see below), whose sum is σ = 97574880. Its totient is φ = 44793000.

The previous prime is 67370627. The next prime is 67370669. The reversal of 67370661 is 16607376.

It is not a de Polignac number, because 67370661 - 2¹⁴ = 67354277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67370669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6465 + ... + 13286.

It is an arithmetic number, because the mean of its divisors is an integer number (8131240).

Almost surely, 2^67370661 is an apocalyptic number.

It is an amenable number.

67370661 is a deficient number, since it is larger than the sum of its proper divisors (30204219).

67370661 is a wasteful number, since it uses less digits than its factorization.

67370661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20136 (or 20133 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 67370661 is about 8207.9632674617. The cubic root of 67370661 is about 406.9024169056.

The spelling of 67370661 in words is "sixty-seven million, three hundred seventy thousand, six hundred sixty-one".