67238406 has 24 divisors (see below), whose sum is σ = 148154760. Its totient is φ = 22032576.

The previous prime is 67238399. The next prime is 67238419. The reversal of 67238406 is 60483276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30595 + ... + 32718.

It is an arithmetic number, because the mean of its divisors is an integer number (6173115).

Almost surely, 2^67238406 is an apocalyptic number.

67238406 is an abundant number, since it is smaller than the sum of its proper divisors (80916354).

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

67238406 is a wasteful number, since it uses less digits than its factorization.

67238406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63380 (or 63377 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 67238406 is about 8199.9028043020. The cubic root of 67238406 is about 406.6359797980.

It can be divided in two parts, 6723 and 8406, that added together give a square (15129 = 123²).

The spelling of 67238406 in words is "sixty-seven million, two hundred thirty-eight thousand, four hundred six".