68574432 has 48 divisors (see below), whose sum is σ = 181092240. Its totient is φ = 22720512.

The previous prime is 68574403. The next prime is 68574469. The reversal of 68574432 is 23447586.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 14544 + ... + 18672.

It is an arithmetic number, because the mean of its divisors is an integer number (3772755).

Almost surely, 2^68574432 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 68574432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90546120).

68574432 is an abundant number, since it is smaller than the sum of its proper divisors (112517808).

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

68574432 is a wasteful number, since it uses less digits than its factorization.

68574432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4315 (or 4307 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 68574432 is about 8280.9680593515. The cubic root of 68574432 is about 409.3116190127.

It can be divided in two parts, 68574 and 432, that added together give a triangular number (69006 = T₃₇₁).

The spelling of 68574432 in words is "sixty-eight million, five hundred seventy-four thousand, four hundred thirty-two".