67472400 has 120 divisors (see below), whose sum is σ = 220030560. Its totient is φ = 17669120.

The previous prime is 67472393. The next prime is 67472411. The reversal of 67472400 is 427476.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 70324 + ... + 71276.

It is an arithmetic number, because the mean of its divisors is an integer number (1833588).

Almost surely, 2^67472400 is an apocalyptic number.

67472400 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 67472400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110015280).

67472400 is an abundant number, since it is smaller than the sum of its proper divisors (152558160).

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

67472400 is a wasteful number, since it uses less digits than its factorization.

67472400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 67472400 is about 8214.1585083318. The cubic root of 67472400 is about 407.1071401636.

Adding to 67472400 its reverse (427476), we get a palindrome (67899876).

The spelling of 67472400 in words is "sixty-seven million, four hundred seventy-two thousand, four hundred".