68494624 has 48 divisors (see below), whose sum is σ = 151877376. Its totient is φ = 30124800.

The previous prime is 68494597. The next prime is 68494631. The reversal of 68494624 is 42649486.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7774 + ... + 14050.

It is an arithmetic number, because the mean of its divisors is an integer number (3164112).

Almost surely, 2^68494624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68494624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75938688).

68494624 is an abundant number, since it is smaller than the sum of its proper divisors (83382752).

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

68494624 is a wasteful number, since it uses less digits than its factorization.

68494624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329 (or 6321 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The square root of 68494624 is about 8276.1478962136. The cubic root of 68494624 is about 409.1527696113.

The spelling of 68494624 in words is "sixty-eight million, four hundred ninety-four thousand, six hundred twenty-four".