1000772672 has 14 divisors (see below), whose sum is σ = 1985908398. Its totient is φ = 500386304.

The previous prime is 1000772671. The next prime is 1000772681. The reversal of 1000772672 is 2762770001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 999571456 + 1201216 = 31616^2 + 1096^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1000772671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7818473 + ... + 7818600.

Almost surely, 2^1000772672 is an apocalyptic number.

It is an amenable number.

1000772672 is a deficient number, since it is larger than the sum of its proper divisors (985135726).

1000772672 is an equidigital number, since it uses as much as digits as its factorization.

1000772672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15637085 (or 15637075 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 1000772672 is about 31634.9912596795. The cubic root of 1000772672 is about 1000.2574910260.

The spelling of 1000772672 in words is "one billion, seven hundred seventy-two thousand, six hundred seventy-two".