1772070538 has 16 divisors (see below), whose sum is σ = 3083177664. Its totient is φ = 748123200.

The previous prime is 1772070533. The next prime is 1772070571. The reversal of 1772070538 is 8350702771.

It is a self number, because there is not a number n which added to its sum of digits gives 1772070538.

It is not an unprimeable number, because it can be changed into a prime (1772070533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943663 + ... + 945538.

It is an arithmetic number, because the mean of its divisors is an integer number (192698604).

Almost surely, 2^1772070538 is an apocalyptic number.

1772070538 is a deficient number, since it is larger than the sum of its proper divisors (1311107126).

1772070538 is a wasteful number, since it uses less digits than its factorization.

1772070538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889277.

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 1772070538 is about 42095.9681917402. The cubic root of 1772070538 is about 1210.1159959831.

The spelling of 1772070538 in words is "one billion, seven hundred seventy-two million, seventy thousand, five hundred thirty-eight".