67647460530 has 96 divisors (see below), whose sum is σ = 177562615104. Its totient is φ = 16392955392.

The previous prime is 67647460523. The next prime is 67647460547. The reversal of 67647460530 is 3506474676.

It is a self number, because there is not a number n which added to its sum of digits gives 67647460530.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42042366 + ... + 42043974.

It is an arithmetic number, because the mean of its divisors is an integer number (1849610574).

Almost surely, 2^67647460530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67647460530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88781307552).

67647460530 is an abundant number, since it is smaller than the sum of its proper divisors (109915154574).

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

67647460530 is a wasteful number, since it uses less digits than its factorization.

67647460530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308 (or 1699 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 67647460530 in words is "sixty-seven billion, six hundred forty-seven million, four hundred sixty thousand, five hundred thirty".