1772568672 has 96 divisors (see below), whose sum is σ = 5597625600. Its totient is φ = 479789568.

The previous prime is 1772568643. The next prime is 1772568689. The reversal of 1772568672 is 2768652771.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56647 + ... + 82182.

It is an arithmetic number, because the mean of its divisors is an integer number (58308600).

Almost surely, 2^1772568672 is an apocalyptic number.

1772568672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1772568672 is an abundant number, since it is smaller than the sum of its proper divisors (3825056928).

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

1772568672 is a wasteful number, since it uses less digits than its factorization.

1772568672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138868 (or 138860 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 51.

The square root of 1772568672 is about 42101.8844233842. The cubic root of 1772568672 is about 1210.2293743606.

The spelling of 1772568672 in words is "one billion, seven hundred seventy-two million, five hundred sixty-eight thousand, six hundred seventy-two".