73361906 has 4 divisors (see below), whose sum is σ = 110042862. Its totient is φ = 36680952.

The previous prime is 73361843. The next prime is 73361923. The reversal of 73361906 is 60916337.

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., 56625625 + 16736281 = 7525^2 + 4091^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18340475 + ... + 18340478.

Almost surely, 2^73361906 is an apocalyptic number.

73361906 is a deficient number, since it is larger than the sum of its proper divisors (36680956).

73361906 is a wasteful number, since it uses less digits than its factorization.

73361906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36680955.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 73361906 is about 8565.1565076185. The cubic root of 73361906 is about 418.6234334654.

The spelling of 73361906 in words is "seventy-three million, three hundred sixty-one thousand, nine hundred six".