67472828280 has 672 divisors, whose sum is σ = 269618791680. Its totient is φ = 15088550400.

The previous prime is 67472828251. The next prime is 67472828321. The reversal of 67472828280 is 8282827476.

It is a super-2 number, since 2×67472828280² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 45867945 + ... + 45869415.

It is an arithmetic number, because the mean of its divisors is an integer number (401218440).

Almost surely, 2^67472828280 is an apocalyptic number.

67472828280 is a gapful number since it is divisible by the number (60) 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 67472828280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134809395840).

67472828280 is an abundant number, since it is smaller than the sum of its proper divisors (202145963400).

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

67472828280 is a wasteful number, since it uses less digits than its factorization.

67472828280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535 (or 1505 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 54.

The spelling of 67472828280 in words is "sixty-seven billion, four hundred seventy-two million, eight hundred twenty-eight thousand, two hundred eighty".