68945452 has 24 divisors (see below), whose sum is σ = 128444400. Its totient is φ = 32288256.

The previous prime is 68945447. The next prime is 68945483. The reversal of 68945452 is 25454986.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68945399 and 68945408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1668 + ... + 11860.

It is an arithmetic number, because the mean of its divisors is an integer number (5351850).

Almost surely, 2^68945452 is an apocalyptic number.

It is an amenable number.

68945452 is a deficient number, since it is larger than the sum of its proper divisors (59498948).

68945452 is a wasteful number, since it uses less digits than its factorization.

68945452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10305 (or 10303 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The square root of 68945452 is about 8303.3398099801. The cubic root of 68945452 is about 410.0484812787.

The spelling of 68945452 in words is "sixty-eight million, nine hundred forty-five thousand, four hundred fifty-two".