2724178066 has 4 divisors (see below), whose sum is σ = 4086267102. Its totient is φ = 1362089032.

The previous prime is 2724178033. The next prime is 2724178081. The reversal of 2724178066 is 6608714272.

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., 1515155625 + 1209022441 = 38925^2 + 34771^2 .

It is a super-2 number, since 2×2724178066² = 14842292270551000712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681044515 + ... + 681044518.

Almost surely, 2^2724178066 is an apocalyptic number.

2724178066 is a deficient number, since it is larger than the sum of its proper divisors (1362089036).

2724178066 is a wasteful number, since it uses less digits than its factorization.

2724178066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362089035.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 2724178066 is about 52193.6592509090. The cubic root of 2724178066 is about 1396.6207727971.

The spelling of 2724178066 in words is "two billion, seven hundred twenty-four million, one hundred seventy-eight thousand, sixty-six".