616773738 has 32 divisors (see below), whose sum is σ = 1425617280. Its totient is φ = 174240000.

The previous prime is 616773733. The next prime is 616773739. The reversal of 616773738 is 837377616.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (616773733) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 78763 + ... + 86238.

It is an arithmetic number, because the mean of its divisors is an integer number (44550540).

Almost surely, 2^616773738 is an apocalyptic number.

616773738 is an abundant number, since it is smaller than the sum of its proper divisors (808843542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

616773738 is a wasteful number, since it uses less digits than its factorization.

616773738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165102.

The product of its digits is 889056, while the sum is 48.

The square root of 616773738 is about 24834.9297965587. The cubic root of 616773738 is about 851.2202717747.

The spelling of 616773738 in words is "six hundred sixteen million, seven hundred seventy-three thousand, seven hundred thirty-eight".