68424906 has 32 divisors (see below), whose sum is σ = 149688000. Its totient is φ = 20679680.

The previous prime is 68424883. The next prime is 68424907. The reversal of 68424906 is 60942486.

It is a super-2 number, since 2×68424906² = 9363935522217672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68424907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28480 + ... + 30788.

It is an arithmetic number, because the mean of its divisors is an integer number (4677750).

Almost surely, 2^68424906 is an apocalyptic number.

68424906 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

68424906 is an abundant number, since it is smaller than the sum of its proper divisors (81263094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68424906 is a wasteful number, since it uses less digits than its factorization.

68424906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 68424906 is about 8271.9348401689. The cubic root of 68424906 is about 409.0139022819.

The spelling of 68424906 in words is "sixty-eight million, four hundred twenty-four thousand, nine hundred six".