48742638 has 64 divisors (see below), whose sum is σ = 124208640. Its totient is φ = 12413952.

The previous prime is 48742583. The next prime is 48742643. The reversal of 48742638 is 83624784.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 48742638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11770 + ... + 15362.

It is an arithmetic number, because the mean of its divisors is an integer number (1940760).

Almost surely, 2^48742638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48742638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62104320).

48742638 is an abundant number, since it is smaller than the sum of its proper divisors (75466002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48742638 is a wasteful number, since it uses less digits than its factorization.

48742638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641.

The product of its digits is 258048, while the sum is 42.

The square root of 48742638 is about 6981.5927982087. The cubic root of 48742638 is about 365.2887887760.

The spelling of 48742638 in words is "forty-eight million, seven hundred forty-two thousand, six hundred thirty-eight".