67898530 has 64 divisors (see below), whose sum is σ = 147184128. Its totient is φ = 22049280.

The previous prime is 67898497. The next prime is 67898539. The reversal of 67898530 is 3589876.

It is a super-2 number, since 2×67898530² = 9220420752321800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (67898539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291294 + ... + 291526.

It is an arithmetic number, because the mean of its divisors is an integer number (2299752).

Almost surely, 2^67898530 is an apocalyptic number.

67898530 is an abundant number, since it is smaller than the sum of its proper divisors (79285598).

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

67898530 is a wasteful number, since it uses less digits than its factorization.

67898530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 67898530 is about 8240.0564318456. The cubic root of 67898530 is about 407.9623867991.

The spelling of 67898530 in words is "sixty-seven million, eight hundred ninety-eight thousand, five hundred thirty".