72332778706 has 16 divisors (see below), whose sum is σ = 113223397824. Its totient is φ = 34591837104.

The previous prime is 72332778689. The next prime is 72332778737. The reversal of 72332778706 is 60787723327.

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, 936061 + ... + 1010383.

It is an arithmetic number, because the mean of its divisors is an integer number (7076462364).

Almost surely, 2^72332778706 is an apocalyptic number.

72332778706 is a deficient number, since it is larger than the sum of its proper divisors (40890619118).

72332778706 is a wasteful number, since it uses less digits than its factorization.

72332778706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95505.

The product of its (nonzero) digits is 4148928, while the sum is 52.

The spelling of 72332778706 in words is "seventy-two billion, three hundred thirty-two million, seven hundred seventy-eight thousand, seven hundred six".