67700286464 has 176 divisors, whose sum is σ = 148947744240. Its totient is φ = 30623662080.

The previous prime is 67700286461. The next prime is 67700286499. The reversal of 67700286464 is 46468200776.

It can be written as a sum of positive squares in 8 ways, for example, as 13131326464 + 54568960000 = 114592^2 + 233600^2 .

It is not an unprimeable number, because it can be changed into a prime (67700286461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57323954 + ... + 57325134.

Almost surely, 2^67700286464 is an apocalyptic number.

67700286464 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 67700286464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74473872120).

67700286464 is an abundant number, since it is smaller than the sum of its proper divisors (81247457776).

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

67700286464 is a wasteful number, since it uses less digits than its factorization.

67700286464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 67700286464 in words is "sixty-seven billion, seven hundred million, two hundred eighty-six thousand, four hundred sixty-four".