49321872 has 100 divisors (see below), whose sum is σ = 150340080. Its totient is φ = 15567552.

The previous prime is 49321843. The next prime is 49321873. The reversal of 49321872 is 27812394.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (49321873) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23623 + ... + 25625.

Almost surely, 2^49321872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49321872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75170040).

49321872 is an abundant number, since it is smaller than the sum of its proper divisors (101018208).

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

49321872 is a wasteful number, since it uses less digits than its factorization.

49321872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042 (or 2027 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 49321872 is about 7022.9532249617. The cubic root of 49321872 is about 366.7300665393.

The spelling of 49321872 in words is "forty-nine million, three hundred twenty-one thousand, eight hundred seventy-two".