70739727456 has 48 divisors (see below), whose sum is σ = 187153956864. Its totient is φ = 23394236544.

The previous prime is 70739727451. The next prime is 70739727533. The reversal of 70739727456 is 65472793707.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 70739727396 and 70739727405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70739727451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2888880 + ... + 2913263.

It is an arithmetic number, because the mean of its divisors is an integer number (3899040768).

Almost surely, 2^70739727456 is an apocalyptic number.

It is an amenable number.

70739727456 is an abundant number, since it is smaller than the sum of its proper divisors (116414229408).

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

70739727456 is a wasteful number, since it uses less digits than its factorization.

70739727456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5802283 (or 5802275 counting only the distinct ones).

The product of its (nonzero) digits is 15558480, while the sum is 57.

The spelling of 70739727456 in words is "seventy billion, seven hundred thirty-nine million, seven hundred twenty-seven thousand, four hundred fifty-six".