73966938 has 8 divisors (see below), whose sum is σ = 147933888. Its totient is φ = 24655644.

The previous prime is 73966901. The next prime is 73966957. The reversal of 73966938 is 83966937.

It is a happy number.

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

73966938 is an admirable number.

It is a super-2 number, since 2×73966938² = 10942215834191688, which contains 22 as substring.

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, 6163906 + ... + 6163917.

It is an arithmetic number, because the mean of its divisors is an integer number (18491736).

Almost surely, 2^73966938 is an apocalyptic number.

73966938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

73966938 is a wasteful number, since it uses less digits than its factorization.

73966938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12327828.

The product of its digits is 1469664, while the sum is 51.

The square root of 73966938 is about 8600.4033626336. The cubic root of 73966938 is about 419.7711111119.

Subtracting 73966938 from its reverse (83966937), we obtain a palindrome (9999999).

The spelling of 73966938 in words is "seventy-three million, nine hundred sixty-six thousand, nine hundred thirty-eight".