67423020 has 288 divisors, whose sum is σ = 248209920. Its totient is φ = 13547520.

The previous prime is 67422997. The next prime is 67423061. The reversal of 67423020 is 2032476.

67423020 = 795² + 796² + ... + 889².

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 949585 + ... + 949655.

It is an arithmetic number, because the mean of its divisors is an integer number (861840).

Almost surely, 2^67423020 is an apocalyptic number.

67423020 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 67423020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124104960).

67423020 is an abundant number, since it is smaller than the sum of its proper divisors (180786900).

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

67423020 is a wasteful number, since it uses less digits than its factorization.

67423020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 67423020 is about 8211.1521725030. The cubic root of 67423020 is about 407.0078014873.

Adding to 67423020 its reverse (2032476), we get a palindrome (69455496).

The spelling of 67423020 in words is "sixty-seven million, four hundred twenty-three thousand, twenty".