72405352586 has 8 divisors (see below), whose sum is σ = 124123461600. Its totient is φ = 31030865388.

The previous prime is 72405352559. The next prime is 72405352603. The reversal of 72405352586 is 68525350427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 72405352586.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2585905436 + ... + 2585905463.

It is an arithmetic number, because the mean of its divisors is an integer number (15515432700).

Almost surely, 2^72405352586 is an apocalyptic number.

72405352586 is a deficient number, since it is larger than the sum of its proper divisors (51718109014).

72405352586 is a wasteful number, since it uses less digits than its factorization.

72405352586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5171810908.

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 72405352586 in words is "seventy-two billion, four hundred five million, three hundred fifty-two thousand, five hundred eighty-six".