49217872 has 40 divisors (see below), whose sum is σ = 107627040. Its totient is φ = 21598080.

The previous prime is 49217851. The next prime is 49217893. The reversal of 49217872 is 27871294.

It is an interprime number because it is at equal distance from previous prime (49217851) and next prime (49217893).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283 + ... + 9925.

It is an arithmetic number, because the mean of its divisors is an integer number (2690676).

Almost surely, 2^49217872 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 49217872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53813520).

49217872 is an abundant number, since it is smaller than the sum of its proper divisors (58409168).

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

49217872 is a wasteful number, since it uses less digits than its factorization.

49217872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9691 (or 9685 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 49217872 is about 7015.5450251566. The cubic root of 49217872 is about 366.4721230612.

The spelling of 49217872 in words is "forty-nine million, two hundred seventeen thousand, eight hundred seventy-two".