67622040 has 128 divisors (see below), whose sum is σ = 228484800. Its totient is φ = 18009216.

The previous prime is 67622029. The next prime is 67622041. The reversal of 67622040 is 4022676.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 67621995 and 67622013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67622041) 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 31 ways as a sum of consecutive naturals, for example, 87094 + ... + 87866.

Almost surely, 2^67622040 is an apocalyptic number.

67622040 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 67622040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114242400).

67622040 is an abundant number, since it is smaller than the sum of its proper divisors (160862760).

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

67622040 is an equidigital number, since it uses as much as digits as its factorization.

67622040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 67622040 is about 8223.2621264313. The cubic root of 67622040 is about 407.4078781058.

The spelling of 67622040 in words is "sixty-seven million, six hundred twenty-two thousand, forty".