49280870 has 32 divisors (see below), whose sum is σ = 93955680. Its totient is φ = 18558720.

The previous prime is 49280849. The next prime is 49280873. The reversal of 49280870 is 7808294.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49280873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33674 + ... + 35106.

It is an arithmetic number, because the mean of its divisors is an integer number (2936115).

Almost surely, 2^49280870 is an apocalyptic number.

49280870 is the 5732-nd pentagonal number.

49280870 is a deficient number, since it is larger than the sum of its proper divisors (44674810).

49280870 is a wasteful number, since it uses less digits than its factorization.

49280870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 49280870 is about 7020.0334757037. The cubic root of 49280870 is about 366.6284156608.

The spelling of 49280870 in words is "forty-nine million, two hundred eighty thousand, eight hundred seventy".