104770649 has 4 divisors (see below), whose sum is σ = 108383460. Its totient is φ = 101157840.

The previous prime is 104770639. The next prime is 104770697. The reversal of 104770649 is 946077401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 946077401 = 53 ⋅17850517.

It can be written as a sum of positive squares in 2 ways, for example, as 42250000 + 62520649 = 6500^2 + 7907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104770649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104770619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1806362 + ... + 1806419.

It is an arithmetic number, because the mean of its divisors is an integer number (27095865).

Almost surely, 2^104770649 is an apocalyptic number.

It is an amenable number.

104770649 is a deficient number, since it is larger than the sum of its proper divisors (3612811).

104770649 is an equidigital number, since it uses as much as digits as its factorization.

104770649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612810.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 104770649 is about 10235.7534651827. The cubic root of 104770649 is about 471.4256530800.

The spelling of 104770649 in words is "one hundred four million, seven hundred seventy thousand, six hundred forty-nine".