68424510 has 128 divisors (see below), whose sum is σ = 215654400. Its totient is φ = 13461120.

The previous prime is 68424509. The next prime is 68424523. The reversal of 68424510 is 1542486.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43111 + ... + 44669.

It is an arithmetic number, because the mean of its divisors is an integer number (1684800).

Almost surely, 2^68424510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68424510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107827200).

68424510 is an abundant number, since it is smaller than the sum of its proper divisors (147229890).

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

68424510 is a wasteful number, since it uses less digits than its factorization.

68424510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 68424510 is about 8271.9109037755. The cubic root of 68424510 is about 409.0131132426.

Adding to 68424510 its reverse (1542486), we get a palindrome (69966996).

The spelling of 68424510 in words is "sixty-eight million, four hundred twenty-four thousand, five hundred ten".