68455032 has 64 divisors (see below), whose sum is σ = 177438720. Its totient is φ = 21990528.

The previous prime is 68455031. The next prime is 68455067. The reversal of 68455032 is 23055486.

It is a super-2 number, since 2×68455032² = 9372182812242048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68454984 and 68455002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68455031) 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, 112473 + ... + 113079.

It is an arithmetic number, because the mean of its divisors is an integer number (2772480).

Almost surely, 2^68455032 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 68455032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88719360).

68455032 is an abundant number, since it is smaller than the sum of its proper divisors (108983688).

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

68455032 is a wasteful number, since it uses less digits than its factorization.

68455032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 68455032 is about 8273.7556164054. The cubic root of 68455032 is about 409.0739201205.

The spelling of 68455032 in words is "sixty-eight million, four hundred fifty-five thousand, thirty-two".