49990705 has 4 divisors (see below), whose sum is σ = 59988852. Its totient is φ = 39992560.

The previous prime is 49990679. The next prime is 49990723. The reversal of 49990705 is 50709994.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31911201 + 18079504 = 5649^2 + 4252^2 .

It is not a de Polignac number, because 49990705 - 2¹¹ = 49988657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4999066 + ... + 4999075.

It is an arithmetic number, because the mean of its divisors is an integer number (14997213).

Almost surely, 2^49990705 is an apocalyptic number.

It is an amenable number.

49990705 is a deficient number, since it is larger than the sum of its proper divisors (9998147).

49990705 is an equidigital number, since it uses as much as digits as its factorization.

49990705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9998146.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 49990705 is about 7070.4105255636. The cubic root of 49990705 is about 368.3803197341.

It can be divided in two parts, 499 and 90705, that added together give a square (91204 = 302²).

The spelling of 49990705 in words is "forty-nine million, nine hundred ninety thousand, seven hundred five".