1672722755 has 24 divisors (see below), whose sum is σ = 2282439600. Its totient is φ = 1174564160.

The previous prime is 1672722743. The next prime is 1672722767. The reversal of 1672722755 is 5572272761.

It is an interprime number because it is at equal distance from previous prime (1672722743) and next prime (1672722767).

It is not a de Polignac number, because 1672722755 - 2⁴ = 1672722739 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 30125 + ... + 65214.

It is an arithmetic number, because the mean of its divisors is an integer number (95101650).

Almost surely, 2^1672722755 is an apocalyptic number.

1672722755 is a deficient number, since it is larger than the sum of its proper divisors (609716845).

1672722755 is a wasteful number, since it uses less digits than its factorization.

1672722755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95395 (or 95384 counting only the distinct ones).

The product of its digits is 411600, while the sum is 44.

The square root of 1672722755 is about 40898.9334213009. The cubic root of 1672722755 is about 1187.0654229577.

It can be divided in two parts, 1672 and 722755, that added together give a palindrome (724427).

The spelling of 1672722755 in words is "one billion, six hundred seventy-two million, seven hundred twenty-two thousand, seven hundred fifty-five".