67987402 has 64 divisors (see below), whose sum is σ = 129024000. Its totient is φ = 26777520.

The previous prime is 67987373. The next prime is 67987417. The reversal of 67987402 is 20478976.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 489049 + ... + 489187.

It is an arithmetic number, because the mean of its divisors is an integer number (2016000).

Almost surely, 2^67987402 is an apocalyptic number.

67987402 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

67987402 is a deficient number, since it is larger than the sum of its proper divisors (61036598).

67987402 is a wasteful number, since it uses less digits than its factorization.

67987402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 67987402 is about 8245.4473499016. The cubic root of 67987402 is about 408.1403024139.

The spelling of 67987402 in words is "sixty-seven million, nine hundred eighty-seven thousand, four hundred two".