68926464 has 132 divisors (see below), whose sum is σ = 207140024. Its totient is φ = 22892544.

The previous prime is 68926457. The next prime is 68926489. The reversal of 68926464 is 46462986.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248694 + ... + 248970.

Almost surely, 2^68926464 is an apocalyptic number.

68926464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68926464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103570012).

68926464 is an abundant number, since it is smaller than the sum of its proper divisors (138213560).

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

68926464 is an equidigital number, since it uses as much as digits as its factorization.

68926464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 282 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 68926464 is about 8302.1963359102. The cubic root of 68926464 is about 410.0108345342.

The spelling of 68926464 in words is "sixty-eight million, nine hundred twenty-six thousand, four hundred sixty-four".