104721770 has 16 divisors (see below), whose sum is σ = 192883680. Its totient is φ = 40914384.

The previous prime is 104721731. The next prime is 104721779. The reversal of 104721770 is 77127401.

It is a super-2 number, since 2×104721770² = 21933298223865800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104721779) 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, 121340 + ... + 122199.

It is an arithmetic number, because the mean of its divisors is an integer number (12055230).

Almost surely, 2^104721770 is an apocalyptic number.

104721770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104721770 is a deficient number, since it is larger than the sum of its proper divisors (88161910).

104721770 is a wasteful number, since it uses less digits than its factorization.

104721770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243589.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 104721770 is about 10233.3655265509. The cubic root of 104721770 is about 471.3523297493.

The spelling of 104721770 in words is "one hundred four million, seven hundred twenty-one thousand, seven hundred seventy".