67423938 has 16 divisors (see below), whose sum is σ = 142780320. Its totient is φ = 21152576.

The previous prime is 67423933. The next prime is 67423949. The reversal of 67423938 is 83932476.

It is a self number, because there is not a number n which added to its sum of digits gives 67423938.

It is not an unprimeable number, because it can be changed into a prime (67423931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330408 + ... + 330611.

It is an arithmetic number, because the mean of its divisors is an integer number (8923770).

Almost surely, 2^67423938 is an apocalyptic number.

67423938 is an abundant number, since it is smaller than the sum of its proper divisors (75356382).

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

67423938 is a wasteful number, since it uses less digits than its factorization.

67423938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661041.

The product of its digits is 217728, while the sum is 42.

The square root of 67423938 is about 8211.2080718978. The cubic root of 67423938 is about 407.0096486875.

The spelling of 67423938 in words is "sixty-seven million, four hundred twenty-three thousand, nine hundred thirty-eight".