1478708064 has 72 divisors (see below), whose sum is σ = 4220929440. Its totient is φ = 491044608.

The previous prime is 1478708051. The next prime is 1478708069. The reversal of 1478708064 is 4608078741.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478708069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67929 + ... + 87015.

It is an arithmetic number, because the mean of its divisors is an integer number (58624020).

Almost surely, 2^1478708064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1478708064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2110464720).

1478708064 is an abundant number, since it is smaller than the sum of its proper divisors (2742221376).

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

1478708064 is a wasteful number, since it uses less digits than its factorization.

1478708064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19372 (or 19361 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 1478708064 is about 38453.9733187612. The cubic root of 1478708064 is about 1139.2721485020.

The spelling of 1478708064 in words is "one billion, four hundred seventy-eight million, seven hundred eight thousand, sixty-four".