68470464 has 56 divisors (see below), whose sum is σ = 182075328. Its totient is φ = 22708480.

The previous prime is 68470411. The next prime is 68470481. The reversal of 68470464 is 46407486.

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, 42799 + ... + 44369.

Almost surely, 2^68470464 is an apocalyptic number.

68470464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68470464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91037664).

68470464 is an abundant number, since it is smaller than the sum of its proper divisors (113604864).

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

68470464 is a wasteful number, since it uses less digits than its factorization.

68470464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 68470464 is about 8274.6881512236. The cubic root of 68470464 is about 409.1046573517.

The spelling of 68470464 in words is "sixty-eight million, four hundred seventy thousand, four hundred sixty-four".