647413312 has 168 divisors, whose sum is σ = 1686738816. Its totient is φ = 240574464.

The previous prime is 647413271. The next prime is 647413339. The reversal of 647413312 is 213314746.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1286853 + ... + 1287355.

It is an arithmetic number, because the mean of its divisors is an integer number (10040112).

Almost surely, 2^647413312 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 647413312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (843369408).

647413312 is an abundant number, since it is smaller than the sum of its proper divisors (1039325504).

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

647413312 is a wasteful number, since it uses less digits than its factorization.

647413312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565 (or 542 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 647413312 is about 25444.3178725624. The cubic root of 647413312 is about 865.0885057623.

The spelling of 647413312 in words is "six hundred forty-seven million, four hundred thirteen thousand, three hundred twelve".