618725872 has 10 divisors (see below), whose sum is σ = 1198781408. Its totient is φ = 309362928.

The previous prime is 618725857. The next prime is 618725911. The reversal of 618725872 is 278527816.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19335168 + ... + 19335199.

Almost surely, 2^618725872 is an apocalyptic number.

It is an amenable number.

618725872 is a deficient number, since it is larger than the sum of its proper divisors (580055536).

618725872 is a wasteful number, since it uses less digits than its factorization.

618725872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38670375 (or 38670369 counting only the distinct ones).

The product of its digits is 376320, while the sum is 46.

The square root of 618725872 is about 24874.2009318892. The cubic root of 618725872 is about 852.1173841073.

The spelling of 618725872 in words is "six hundred eighteen million, seven hundred twenty-five thousand, eight hundred seventy-two".