48731278 has 4 divisors (see below), whose sum is σ = 73096920. Its totient is φ = 24365638.

The previous prime is 48731269. The next prime is 48731279. The reversal of 48731278 is 87213784.

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

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 48731278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48731279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12182818 + ... + 12182821.

It is an arithmetic number, because the mean of its divisors is an integer number (18274230).

Almost surely, 2^48731278 is an apocalyptic number.

48731278 is a deficient number, since it is larger than the sum of its proper divisors (24365642).

48731278 is a wasteful number, since it uses less digits than its factorization.

48731278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24365641.

The product of its digits is 75264, while the sum is 40.

The square root of 48731278 is about 6980.7791828706. The cubic root of 48731278 is about 365.2604084009.

The spelling of 48731278 in words is "forty-eight million, seven hundred thirty-one thousand, two hundred seventy-eight".