647093076 has 48 divisors (see below), whose sum is σ = 1734297600. Its totient is φ = 183949920.

The previous prime is 647093047. The next prime is 647093099. The reversal of 647093076 is 670390746.

647093076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 2640 + ... + 36071.

It is an arithmetic number, because the mean of its divisors is an integer number (36131200).

Almost surely, 2^647093076 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 647093076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (867148800).

647093076 is an abundant number, since it is smaller than the sum of its proper divisors (1087204524).

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

647093076 is a wasteful number, since it uses less digits than its factorization.

647093076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38924 (or 38922 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 647093076 is about 25438.0242157287. The cubic root of 647093076 is about 864.9458466772.

The spelling of 647093076 in words is "six hundred forty-seven million, ninety-three thousand, seventy-six".