73423946 has 4 divisors (see below), whose sum is σ = 110135922. Its totient is φ = 36711972.

The previous prime is 73423939. The next prime is 73423949. The reversal of 73423946 is 64932437.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73290721 + 133225 = 8561^2 + 365^2 .

It is not an unprimeable number, because it can be changed into a prime (73423949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18355985 + ... + 18355988.

Almost surely, 2^73423946 is an apocalyptic number.

73423946 is a deficient number, since it is larger than the sum of its proper divisors (36711976).

73423946 is a wasteful number, since it uses less digits than its factorization.

73423946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36711975.

The product of its digits is 108864, while the sum is 38.

The square root of 73423946 is about 8568.7773923705. Note that the first 3 decimals coincide. The cubic root of 73423946 is about 418.7414060462.

The spelling of 73423946 in words is "seventy-three million, four hundred twenty-three thousand, nine hundred forty-six".