68020476 has 48 divisors (see below), whose sum is σ = 169682688. Its totient is φ = 21155200.

The previous prime is 68020439. The next prime is 68020481. The reversal of 68020476 is 67402086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8311 + ... + 14321.

It is an arithmetic number, because the mean of its divisors is an integer number (3535056).

Almost surely, 2^68020476 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 68020476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84841344).

68020476 is an abundant number, since it is smaller than the sum of its proper divisors (101662212).

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

68020476 is a wasteful number, since it uses less digits than its factorization.

68020476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6082 (or 6080 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 68020476 is about 8247.4526976516. The cubic root of 68020476 is about 408.2064746930.

The spelling of 68020476 in words is "sixty-eight million, twenty thousand, four hundred seventy-six".