49619472 has 80 divisors (see below), whose sum is σ = 149038080. Its totient is φ = 13931136.

The previous prime is 49619429. The next prime is 49619473. The reversal of 49619472 is 27491694.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (49619473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18573 + ... + 21075.

It is an arithmetic number, because the mean of its divisors is an integer number (1862976).

Almost surely, 2^49619472 is an apocalyptic number.

49619472 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49619472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74519040).

49619472 is an abundant number, since it is smaller than the sum of its proper divisors (99418608).

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

49619472 is a wasteful number, since it uses less digits than its factorization.

49619472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580 (or 2574 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 49619472 is about 7044.1090281170. The cubic root of 49619472 is about 367.4661841253.

The spelling of 49619472 in words is "forty-nine million, six hundred nineteen thousand, four hundred seventy-two".