67902434 has 8 divisors (see below), whose sum is σ = 103775580. Its totient is φ = 33310576.

The previous prime is 67902433. The next prime is 67902449. The reversal of 67902434 is 43420976.

It can be written as a sum of positive squares in 2 ways, for example, as 66994225 + 908209 = 8185^2 + 953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×67902434² = 9221481086248712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67902394 and 67902403.

It is not an unprimeable number, because it can be changed into a prime (67902433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320189 + ... + 320400.

Almost surely, 2^67902434 is an apocalyptic number.

67902434 is a deficient number, since it is larger than the sum of its proper divisors (35873146).

67902434 is a wasteful number, since it uses less digits than its factorization.

67902434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640644.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 67902434 is about 8240.2933200220. The cubic root of 67902434 is about 407.9702055970.

The spelling of 67902434 in words is "sixty-seven million, nine hundred two thousand, four hundred thirty-four".