49742190 has 72 divisors (see below), whose sum is σ = 136583928. Its totient is φ = 12558240.

The previous prime is 49742183. The next prime is 49742191. The reversal of 49742190 is 9124794.

It is a super-2 number, since 2×49742190² = 4948570931992200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49742191) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31725 + ... + 33255.

It is an arithmetic number, because the mean of its divisors is an integer number (1896999).

Almost surely, 2^49742190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49742190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68291964).

49742190 is an abundant number, since it is smaller than the sum of its proper divisors (86841738).

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

49742190 is a wasteful number, since it uses less digits than its factorization.

49742190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582 (or 1560 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 49742190 is about 7052.8143318820. The cubic root of 49742190 is about 367.7688716829.

The spelling of 49742190 in words is "forty-nine million, seven hundred forty-two thousand, one hundred ninety".