67404372 has 48 divisors (see below), whose sum is σ = 180644352. Its totient is φ = 19162080.

The previous prime is 67404367. The next prime is 67404377. The reversal of 67404372 is 27340476.

It is an interprime number because it is at equal distance from previous prime (67404367) and next prime (67404377).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67404377) 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 15 ways as a sum of consecutive naturals, for example, 15823 + ... + 19625.

It is an arithmetic number, because the mean of its divisors is an integer number (3763424).

Almost surely, 2^67404372 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 67404372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90322176).

67404372 is an abundant number, since it is smaller than the sum of its proper divisors (113239980).

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

67404372 is a wasteful number, since it uses less digits than its factorization.

67404372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028 (or 4026 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 67404372 is about 8210.0165651477. The cubic root of 67404372 is about 406.9702743374.

It can be divided in two parts, 67404 and 372, that added together give a palindrome (67776).

The spelling of 67404372 in words is "sixty-seven million, four hundred four thousand, three hundred seventy-two".