3772728154 has 8 divisors (see below), whose sum is σ = 6094407060. Its totient is φ = 1741259136.

The previous prime is 3772728139. The next prime is 3772728163. The reversal of 3772728154 is 4518272773.

It can be written as a sum of positive squares in 2 ways, for example, as 2875426129 + 897302025 = 53623^2 + 29955^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 72552439 + ... + 72552490.

Almost surely, 2^3772728154 is an apocalyptic number.

3772728154 is a deficient number, since it is larger than the sum of its proper divisors (2321678906).

3772728154 is a wasteful number, since it uses less digits than its factorization.

3772728154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145104944.

The product of its digits is 658560, while the sum is 46.

The square root of 3772728154 is about 61422.5378342510. The cubic root of 3772728154 is about 1556.7486735029.

The spelling of 3772728154 in words is "three billion, seven hundred seventy-two million, seven hundred twenty-eight thousand, one hundred fifty-four".