67601243 has 4 divisors (see below), whose sum is σ = 67638600. Its totient is φ = 67563888.

The previous prime is 67601239. The next prime is 67601263. The reversal of 67601243 is 34210676.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67601243 - 2² = 67601239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67601213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15818 + ... + 19631.

It is an arithmetic number, because the mean of its divisors is an integer number (16909650).

Almost surely, 2^67601243 is an apocalyptic number.

67601243 is a deficient number, since it is larger than the sum of its proper divisors (37357).

67601243 is a wasteful number, since it uses less digits than its factorization.

67601243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37356.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 67601243 is about 8221.9975066890. The cubic root of 67601243 is about 407.3661080439.

The spelling of 67601243 in words is "sixty-seven million, six hundred one thousand, two hundred forty-three".