68280454 has 16 divisors (see below), whose sum is σ = 112064400. Its totient is φ = 30944160.

The previous prime is 68280439. The next prime is 68280463. The reversal of 68280454 is 45408286.

It is a super-2 number, since 2×68280454² = 9324440796892232, which contains 22 as substring.

It is a congruent number.

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, 3232 + ... + 12124.

It is an arithmetic number, because the mean of its divisors is an integer number (7004025).

Almost surely, 2^68280454 is an apocalyptic number.

68280454 is a deficient number, since it is larger than the sum of its proper divisors (43783946).

68280454 is a wasteful number, since it uses less digits than its factorization.

68280454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9255.

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 68280454 is about 8263.1987752928. The cubic root of 68280454 is about 408.7258760588.

The spelling of 68280454 in words is "sixty-eight million, two hundred eighty thousand, four hundred fifty-four".