48747990 has 16 divisors (see below), whose sum is σ = 116995248. Its totient is φ = 12999456.

The previous prime is 48747989. The next prime is 48747997. The reversal of 48747990 is 9974784.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48747997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812437 + ... + 812496.

It is an arithmetic number, because the mean of its divisors is an integer number (7312203).

Almost surely, 2^48747990 is an apocalyptic number.

48747990 is an abundant number, since it is smaller than the sum of its proper divisors (68247258).

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

48747990 is a wasteful number, since it uses less digits than its factorization.

48747990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624943.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 48747990 is about 6981.9760813111. The cubic root of 48747990 is about 365.3021580021.

The spelling of 48747990 in words is "forty-eight million, seven hundred forty-seven thousand, nine hundred ninety".