67898628 has 192 divisors, whose sum is σ = 220416000. Its totient is φ = 17635968.

The previous prime is 67898603. The next prime is 67898639. The reversal of 67898628 is 82689876.

67898628 is a `hidden beast` number, since 6 + 7 + 8 + 9 + 8 + 628 = 666.

It is a super-2 number, since 2×67898628² = 9220447368564768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 416475 + ... + 416637.

It is an arithmetic number, because the mean of its divisors is an integer number (1148000).

Almost surely, 2^67898628 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 67898628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110208000).

67898628 is an abundant number, since it is smaller than the sum of its proper divisors (152517372).

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

67898628 is a wasteful number, since it uses less digits than its factorization.

67898628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 223 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 67898628 is about 8240.0623784047. The cubic root of 67898628 is about 407.9625830739.

The spelling of 67898628 in words is "sixty-seven million, eight hundred ninety-eight thousand, six hundred twenty-eight".