67242530 has 8 divisors (see below), whose sum is σ = 121036572. Its totient is φ = 26897008.

The previous prime is 67242493. The next prime is 67242569. The reversal of 67242530 is 3524276.

It can be written as a sum of positive squares in 2 ways, for example, as 63027721 + 4214809 = 7939^2 + 2053^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 67242493 and 67242502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3362117 + ... + 3362136.

Almost surely, 2^67242530 is an apocalyptic number.

67242530 is a deficient number, since it is larger than the sum of its proper divisors (53794042).

67242530 is a wasteful number, since it uses less digits than its factorization.

67242530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6724260.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 67242530 is about 8200.1542668416. The cubic root of 67242530 is about 406.6442931643.

The spelling of 67242530 in words is "sixty-seven million, two hundred forty-two thousand, five hundred thirty".