1028047672 has 8 divisors (see below), whose sum is σ = 1927589400. Its totient is φ = 514023832.

The previous prime is 1028047667. The next prime is 1028047673. The reversal of 1028047672 is 2767408201.

1028047672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028047673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64252972 + ... + 64252987.

It is an arithmetic number, because the mean of its divisors is an integer number (240948675).

Almost surely, 2^1028047672 is an apocalyptic number.

It is an amenable number.

1028047672 is a deficient number, since it is larger than the sum of its proper divisors (899541728).

1028047672 is a wasteful number, since it uses less digits than its factorization.

1028047672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128505965 (or 128505961 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 1028047672 is about 32063.1824995586. The cubic root of 1028047672 is about 1009.2631530508.

The spelling of 1028047672 in words is "one billion, twenty-eight million, forty-seven thousand, six hundred seventy-two".