1772265738 has 16 divisors (see below), whose sum is σ = 3640330080. Its totient is φ = 574788816.

The previous prime is 1772265721. The next prime is 1772265743. The reversal of 1772265738 is 8375622771.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3991368 + ... + 3991811.

It is an arithmetic number, because the mean of its divisors is an integer number (227520630).

Almost surely, 2^1772265738 is an apocalyptic number.

1772265738 is an abundant number, since it is smaller than the sum of its proper divisors (1868064342).

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

1772265738 is a wasteful number, since it uses less digits than its factorization.

1772265738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7983221.

The product of its digits is 987840, while the sum is 48.

The square root of 1772265738 is about 42098.2866397197. The cubic root of 1772265738 is about 1210.1604272411.

The spelling of 1772265738 in words is "one billion, seven hundred seventy-two million, two hundred sixty-five thousand, seven hundred thirty-eight".