48731490 has 64 divisors (see below), whose sum is σ = 131310720. Its totient is φ = 12859200.

The previous prime is 48731483. The next prime is 48731519. The reversal of 48731490 is 9413784.

It is a happy 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, 26377 + ... + 28163.

It is an arithmetic number, because the mean of its divisors is an integer number (2051730).

Almost surely, 2^48731490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48731490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65655360).

48731490 is an abundant number, since it is smaller than the sum of its proper divisors (82579230).

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

48731490 is a wasteful number, since it uses less digits than its factorization.

48731490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904 (or 1898 counting only the distinct ones).

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

The square root of 48731490 is about 6980.7943674055. The cubic root of 48731490 is about 365.2609380750.

The spelling of 48731490 in words is "forty-eight million, seven hundred thirty-one thousand, four hundred ninety".