73609394 has 4 divisors (see below), whose sum is σ = 110414094. Its totient is φ = 36804696.

The previous prime is 73609373. The next prime is 73609411. The reversal of 73609394 is 49390637.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49390637 = 23 ⋅2147419.

It can be written as a sum of positive squares in only one way, i.e., 42081169 + 31528225 = 6487^2 + 5615^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18402347 + ... + 18402350.

Almost surely, 2^73609394 is an apocalyptic number.

73609394 is a deficient number, since it is larger than the sum of its proper divisors (36804700).

73609394 is a wasteful number, since it uses less digits than its factorization.

73609394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36804699.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 73609394 is about 8579.5917152275. The cubic root of 73609394 is about 419.0936502124.

The spelling of 73609394 in words is "seventy-three million, six hundred nine thousand, three hundred ninety-four".