67040829 has 12 divisors (see below), whose sum is σ = 97480032. Its totient is φ = 44397000.

The previous prime is 67040807. The next prime is 67040833. The reversal of 67040829 is 92804076.

It is not a de Polignac number, because 67040829 - 2⁹ = 67040317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67040793 and 67040802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67040839) 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, 23307 + ... + 26024.

It is an arithmetic number, because the mean of its divisors is an integer number (8123336).

Almost surely, 2^67040829 is an apocalyptic number.

It is an amenable number.

67040829 is a deficient number, since it is larger than the sum of its proper divisors (30439203).

67040829 is a wasteful number, since it uses less digits than its factorization.

67040829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49488 (or 49485 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 67040829 is about 8187.8464201522. The cubic root of 67040829 is about 406.2372952555.

The spelling of 67040829 in words is "sixty-seven million, forty thousand, eight hundred twenty-nine".