67899474 has 12 divisors (see below), whose sum is σ = 147115566. Its totient is φ = 22633152.

The previous prime is 67899463. The next prime is 67899487. The reversal of 67899474 is 47499876.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 57108249 + 10791225 = 7557^2 + 3285^2 .

It is a super-2 number, since 2×67899474² = 9220677138953352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67899474.

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 5 ways as a sum of consecutive naturals, for example, 1886079 + ... + 1886114.

Almost surely, 2^67899474 is an apocalyptic number.

67899474 is an abundant number, since it is smaller than the sum of its proper divisors (79216092).

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

67899474 is a wasteful number, since it uses less digits than its factorization.

67899474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772201 (or 3772198 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 67899474 is about 8240.1137128076. The cubic root of 67899474 is about 407.9642774376.

The spelling of 67899474 in words is "sixty-seven million, eight hundred ninety-nine thousand, four hundred seventy-four".