67471400 has 48 divisors (see below), whose sum is σ = 162294300. Its totient is φ = 26055680.

The previous prime is 67471379. The next prime is 67471403. The reversal of 67471400 is 417476.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 31158724 + 36312676 = 5582^2 + 6026^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (67471403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17 + ... + 11616.

Almost surely, 2^67471400 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 67471400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81147150).

67471400 is an abundant number, since it is smaller than the sum of its proper divisors (94822900).

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

67471400 is a wasteful number, since it uses less digits than its factorization.

67471400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11678 (or 11669 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 67471400 is about 8214.0976375984. The cubic root of 67471400 is about 407.1051289257.

Adding to 67471400 its reverse (417476), we get a palindrome (67888876).

The spelling of 67471400 in words is "sixty-seven million, four hundred seventy-one thousand, four hundred".