68613432 has 16 divisors (see below), whose sum is σ = 171533640. Its totient is φ = 22871136.

The previous prime is 68613421. The next prime is 68613443. The reversal of 68613432 is 23431686.

It is an interprime number because it is at equal distance from previous prime (68613421) and next prime (68613443).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 68613393 and 68613402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1429423 + ... + 1429470.

Almost surely, 2^68613432 is an apocalyptic number.

It is an amenable number.

68613432 is an abundant number, since it is smaller than the sum of its proper divisors (102920208).

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

68613432 is a wasteful number, since it uses less digits than its factorization.

68613432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858902 (or 2858898 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 68613432 is about 8283.3225217904. The cubic root of 68613432 is about 409.3891995696.

The spelling of 68613432 in words is "sixty-eight million, six hundred thirteen thousand, four hundred thirty-two".