49072870 has 64 divisors (see below), whose sum is σ = 111393792. Its totient is φ = 15120000.

The previous prime is 49072819. The next prime is 49072871. The reversal of 49072870 is 7827094.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49072871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77455 + ... + 78085.

It is an arithmetic number, because the mean of its divisors is an integer number (1740528).

Almost surely, 2^49072870 is an apocalyptic number.

49072870 is an abundant number, since it is smaller than the sum of its proper divisors (62320922).

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

49072870 is a wasteful number, since it uses less digits than its factorization.

49072870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 49072870 is about 7005.2030662929. The cubic root of 49072870 is about 366.1118781671. Note that the first 3 decimals are identical.

It can be divided in two parts, 4907 and 2870, that added together give a palindrome (7777).

The spelling of 49072870 in words is "forty-nine million, seventy-two thousand, eight hundred seventy".