48673138 has 4 divisors (see below), whose sum is σ = 73009710. Its totient is φ = 24336568.

The previous prime is 48673111. The next prime is 48673139. The reversal of 48673138 is 83137684.

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., 31058329 + 17614809 = 5573^2 + 4197^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 48673138.

It is not an unprimeable number, because it can be changed into a prime (48673139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12168283 + ... + 12168286.

Almost surely, 2^48673138 is an apocalyptic number.

48673138 is a deficient number, since it is larger than the sum of its proper divisors (24336572).

48673138 is a wasteful number, since it uses less digits than its factorization.

48673138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24336571.

The product of its digits is 96768, while the sum is 40.

The square root of 48673138 is about 6976.6136484687. The cubic root of 48673138 is about 365.1150897466.

The spelling of 48673138 in words is "forty-eight million, six hundred seventy-three thousand, one hundred thirty-eight".