72628949378 has 16 divisors (see below), whose sum is σ = 110836728000. Its totient is φ = 35683893552.

The previous prime is 72628949333. The next prime is 72628949383. The reversal of 72628949378 is 87394982627.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153083 + ... + 410721.

It is an arithmetic number, because the mean of its divisors is an integer number (6927295500).

Almost surely, 2^72628949378 is an apocalyptic number.

72628949378 is a deficient number, since it is larger than the sum of its proper divisors (38207778622).

72628949378 is a wasteful number, since it uses less digits than its factorization.

72628949378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260089.

The product of its digits is 73156608, while the sum is 65.

The spelling of 72628949378 in words is "seventy-two billion, six hundred twenty-eight million, nine hundred forty-nine thousand, three hundred seventy-eight".