726421015296 has 72 divisors (see below), whose sum is σ = 2148154758960. Its totient is φ = 242140336128.

The previous prime is 726421015273. The next prime is 726421015319. The reversal of 726421015296 is 692510124627.

726421015296 is a `hidden beast` number, since 72 + 6 + 42 + 10 + 1 + 529 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (726421015273) and next prime (726421015319).

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52540905 + ... + 52554728.

Almost surely, 2^726421015296 is an apocalyptic number.

It is an amenable number.

726421015296 is an abundant number, since it is smaller than the sum of its proper divisors (1421733743664).

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

726421015296 is a wasteful number, since it uses less digits than its factorization.

726421015296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105095658 (or 105095638 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 726421015296 in words is "seven hundred twenty-six billion, four hundred twenty-one million, fifteen thousand, two hundred ninety-six".