1047729620 has 24 divisors (see below), whose sum is σ = 2514551424. Its totient is φ = 359221536.

The previous prime is 1047729589. The next prime is 1047729647. The reversal of 1047729620 is 269277401.

It is a congruent number.

It is an unprimeable number.

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, 3741752 + ... + 3742031.

It is an arithmetic number, because the mean of its divisors is an integer number (104772976).

Almost surely, 2^1047729620 is an apocalyptic number.

1047729620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1047729620 is an abundant number, since it is smaller than the sum of its proper divisors (1466821804).

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

1047729620 is a wasteful number, since it uses less digits than its factorization.

1047729620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7483799 (or 7483797 counting only the distinct ones).

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

The square root of 1047729620 is about 32368.6518100461. The cubic root of 1047729620 is about 1015.6632548526.

The spelling of 1047729620 in words is "one billion, forty-seven million, seven hundred twenty-nine thousand, six hundred twenty".