67899374 has 4 divisors (see below), whose sum is σ = 101849064. Its totient is φ = 33949686.

The previous prime is 67899373. The next prime is 67899379. The reversal of 67899374 is 47399876.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×67899374² = 9220649979183752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67899373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16974842 + ... + 16974845.

It is an arithmetic number, because the mean of its divisors is an integer number (25462266).

Almost surely, 2^67899374 is an apocalyptic number.

67899374 is a deficient number, since it is larger than the sum of its proper divisors (33949690).

67899374 is a wasteful number, since it uses less digits than its factorization.

67899374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33949689.

The product of its digits is 2286144, while the sum is 53.

The square root of 67899374 is about 8240.1076449279. The cubic root of 67899374 is about 407.9640771589.

The spelling of 67899374 in words is "sixty-seven million, eight hundred ninety-nine thousand, three hundred seventy-four".