775152672 has 96 divisors (see below), whose sum is σ = 2462285952. Its totient is φ = 208441344.

The previous prime is 775152667. The next prime is 775152673. The reversal of 775152672 is 276251577.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (775152673) 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 in 15 ways as a sum of consecutive naturals, for example, 22503 + ... + 45350.

It is an arithmetic number, because the mean of its divisors is an integer number (25648812).

Almost surely, 2^775152672 is an apocalyptic number.

It is an amenable number.

775152672 is an abundant number, since it is smaller than the sum of its proper divisors (1687133280).

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

775152672 is a wasteful number, since it uses less digits than its factorization.

775152672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67890 (or 67882 counting only the distinct ones).

The product of its digits is 205800, while the sum is 42.

The square root of 775152672 is about 27841.5637491862. The cubic root of 775152672 is about 918.6055876680.

The spelling of 775152672 in words is "seven hundred seventy-five million, one hundred fifty-two thousand, six hundred seventy-two".