73634738 has 8 divisors (see below), whose sum is σ = 110495388. Its totient is φ = 36802944.

The previous prime is 73634731. The next prime is 73634749. The reversal of 73634738 is 83743637.

It can be written as a sum of positive squares in 2 ways, for example, as 72812089 + 822649 = 8533^2 + 907^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 73634695 and 73634704.

It is not an unprimeable number, because it can be changed into a prime (73634731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070 + ... + 12182.

Almost surely, 2^73634738 is an apocalyptic number.

73634738 is a deficient number, since it is larger than the sum of its proper divisors (36860650).

73634738 is a wasteful number, since it uses less digits than its factorization.

73634738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14428.

The product of its digits is 254016, while the sum is 41.

The square root of 73634738 is about 8581.0685814763. The cubic root of 73634738 is about 419.1417432167.

The spelling of 73634738 in words is "seventy-three million, six hundred thirty-four thousand, seven hundred thirty-eight".