2752172378 has 4 divisors (see below), whose sum is σ = 4128258570. Its totient is φ = 1376086188.

The previous prime is 2752172323. The next prime is 2752172389. The reversal of 2752172378 is 8732712572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2691223129 + 60949249 = 51877^2 + 7807^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 688043093 + ... + 688043096.

Almost surely, 2^2752172378 is an apocalyptic number.

2752172378 is a deficient number, since it is larger than the sum of its proper divisors (1376086192).

2752172378 is a wasteful number, since it uses less digits than its factorization.

2752172378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376086191.

The product of its digits is 329280, while the sum is 44.

The square root of 2752172378 is about 52461.1511310989. The cubic root of 2752172378 is about 1401.3884826887.

It can be divided in two parts, 27521 and 72378, that added together give a palindrome (99899).

The spelling of 2752172378 in words is "two billion, seven hundred fifty-two million, one hundred seventy-two thousand, three hundred seventy-eight".