69720415456 has 24 divisors (see below), whose sum is σ = 137295587520. Its totient is φ = 34851694848.

The previous prime is 69720415447. The next prime is 69720415477. The reversal of 69720415456 is 65451402796.

It is a congruent number.

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, 131901 + ... + 396028.

It is an arithmetic number, because the mean of its divisors is an integer number (5720649480).

Almost surely, 2^69720415456 is an apocalyptic number.

It is an amenable number.

69720415456 is a deficient number, since it is larger than the sum of its proper divisors (67575172064).

69720415456 is a wasteful number, since it uses less digits than its factorization.

69720415456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532066 (or 532058 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 69720415456 in words is "sixty-nine billion, seven hundred twenty million, four hundred fifteen thousand, four hundred fifty-six".