67539438 has 12 divisors (see below), whose sum is σ = 146335488. Its totient is φ = 22513140.

The previous prime is 67539403. The next prime is 67539449. The reversal of 67539438 is 83493576.

It is a junction number, because it is equal to n+sod(n) for n = 67539393 and 67539402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1876078 + ... + 1876113.

It is an arithmetic number, because the mean of its divisors is an integer number (12194624).

Almost surely, 2^67539438 is an apocalyptic number.

67539438 is an abundant number, since it is smaller than the sum of its proper divisors (78796050).

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

67539438 is a wasteful number, since it uses less digits than its factorization.

67539438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752199 (or 3752196 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 67539438 is about 8218.2381323493. The cubic root of 67539438 is about 407.2419242373.

The spelling of 67539438 in words is "sixty-seven million, five hundred thirty-nine thousand, four hundred thirty-eight".