68343480 has 64 divisors (see below), whose sum is σ = 227815200. Its totient is φ = 18224640.

The previous prime is 68343467. The next prime is 68343493. The reversal of 68343480 is 8434386.

It is an interprime number because it is at equal distance from previous prime (68343467) and next prime (68343493).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30561 + ... + 32720.

Almost surely, 2^68343480 is an apocalyptic number.

68343480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68343480 is an abundant number, since it is smaller than the sum of its proper divisors (159471720).

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

68343480 is a wasteful number, since it uses less digits than its factorization.

68343480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63301 (or 63291 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 68343480 is about 8267.0115519455. The cubic root of 68343480 is about 408.8515949804.

The spelling of 68343480 in words is "sixty-eight million, three hundred forty-three thousand, four hundred eighty".