67240038 has 16 divisors (see below), whose sum is σ = 139117680. Its totient is φ = 21640416.

The previous prime is 67240007. The next prime is 67240039. The reversal of 67240038 is 83004276.

It is a junction number, because it is equal to n+sod(n) for n = 67239987 and 67240014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67240039) 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, 193045 + ... + 193392.

It is an arithmetic number, because the mean of its divisors is an integer number (8694855).

Almost surely, 2^67240038 is an apocalyptic number.

67240038 is an abundant number, since it is smaller than the sum of its proper divisors (71877642).

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

67240038 is a wasteful number, since it uses less digits than its factorization.

67240038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386471.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 67240038 is about 8200.0023170728. The cubic root of 67240038 is about 406.6392697062.

The spelling of 67240038 in words is "sixty-seven million, two hundred forty thousand, thirty-eight".