67472988 has 72 divisors (see below), whose sum is σ = 178752000. Its totient is φ = 19773600.

The previous prime is 67472981. The next prime is 67472989. The reversal of 67472988 is 88927476.

It is a self number, because there is not a number n which added to its sum of digits gives 67472988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67472981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44263 + ... + 45761.

Almost surely, 2^67472988 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 67472988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89376000).

67472988 is an abundant number, since it is smaller than the sum of its proper divisors (111279012).

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

67472988 is a wasteful number, since it uses less digits than its factorization.

67472988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559 (or 1546 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 51.

The square root of 67472988 is about 8214.1943001125. The cubic root of 67472988 is about 407.1083227623.

The spelling of 67472988 in words is "sixty-seven million, four hundred seventy-two thousand, nine hundred eighty-eight".