67296389 has 4 divisors (see below), whose sum is σ = 67949856. Its totient is φ = 66642924.

The previous prime is 67296373. The next prime is 67296391. The reversal of 67296389 is 98369276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67296389 - 2⁴ = 67296373 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67296329) 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, 326579 + ... + 326784.

It is an arithmetic number, because the mean of its divisors is an integer number (16987464).

Almost surely, 2^67296389 is an apocalyptic number.

It is an amenable number.

67296389 is a deficient number, since it is larger than the sum of its proper divisors (653467).

67296389 is a wasteful number, since it uses less digits than its factorization.

67296389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653466.

The product of its digits is 979776, while the sum is 50.

The square root of 67296389 is about 8203.4376330902. The cubic root of 67296389 is about 406.7528336477.

The spelling of 67296389 in words is "sixty-seven million, two hundred ninety-six thousand, three hundred eighty-nine".