73940938 has 4 divisors (see below), whose sum is σ = 110911410. Its totient is φ = 36970468.

The previous prime is 73940887. The next prime is 73940953. The reversal of 73940938 is 83904937.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83904937 = 37 ⋅2267701.

It can be written as a sum of positive squares in only one way, i.e., 71961289 + 1979649 = 8483^2 + 1407^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73940894 and 73940903.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18485233 + ... + 18485236.

Almost surely, 2^73940938 is an apocalyptic number.

73940938 is a deficient number, since it is larger than the sum of its proper divisors (36970472).

73940938 is a wasteful number, since it uses less digits than its factorization.

73940938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36970471.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 73940938 is about 8598.8916727681. The cubic root of 73940938 is about 419.7219209907.

The spelling of 73940938 in words is "seventy-three million, nine hundred forty thousand, nine hundred thirty-eight".