67469820 has 96 divisors (see below), whose sum is σ = 207760896. Its totient is φ = 16224000.

The previous prime is 67469819. The next prime is 67469849. The reversal of 67469820 is 2896476.

It is a super-2 number, since 2×67469820² = 9104353221664800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 99322 + ... + 99998.

It is an arithmetic number, because the mean of its divisors is an integer number (2164176).

Almost surely, 2^67469820 is an apocalyptic number.

67469820 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 67469820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103880448).

67469820 is an abundant number, since it is smaller than the sum of its proper divisors (140291076).

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

67469820 is a wasteful number, since it uses less digits than its factorization.

67469820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 67469820 is about 8214.0014609202. The cubic root of 67469820 is about 407.1019511292.

The spelling of 67469820 in words is "sixty-seven million, four hundred sixty-nine thousand, eight hundred twenty".