68924432 has 20 divisors (see below), whose sum is σ = 133910700. Its totient is φ = 34366848.

The previous prime is 68924431. The next prime is 68924447. The reversal of 68924432 is 23442986.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55115776 + 13808656 = 7424^2 + 3716^2 .

It is not an unprimeable number, because it can be changed into a prime (68924431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194 + ... + 11742.

It is an arithmetic number, because the mean of its divisors is an integer number (6695535).

Almost surely, 2^68924432 is an apocalyptic number.

It is an amenable number.

68924432 is a deficient number, since it is larger than the sum of its proper divisors (64986268).

68924432 is a wasteful number, since it uses less digits than its factorization.

68924432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11930 (or 11924 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 68924432 is about 8302.0739577530. The cubic root of 68924432 is about 410.0068053600.

The spelling of 68924432 in words is "sixty-eight million, nine hundred twenty-four thousand, four hundred thirty-two".