72807407386 has 16 divisors (see below), whose sum is σ = 126928169280. Its totient is φ = 30674306880.

The previous prime is 72807407353. The next prime is 72807407401. The reversal of 72807407386 is 68370470827.

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, 44071455 + ... + 44073106.

It is an arithmetic number, because the mean of its divisors is an integer number (7933010580).

Almost surely, 2^72807407386 is an apocalyptic number.

72807407386 is a deficient number, since it is larger than the sum of its proper divisors (54120761894).

72807407386 is a wasteful number, since it uses less digits than its factorization.

72807407386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88144629.

The product of its (nonzero) digits is 3161088, while the sum is 52.

The spelling of 72807407386 in words is "seventy-two billion, eight hundred seven million, four hundred seven thousand, three hundred eighty-six".