70749425865 has 32 divisors (see below), whose sum is σ = 117409683456. Its totient is φ = 36349689600.

The previous prime is 70749425863. The next prime is 70749425869. The reversal of 70749425865 is 56852494707.

It is a happy number.

It is not a de Polignac number, because 70749425865 - 2¹ = 70749425863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70749425863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 575017 + ... + 687126.

It is an arithmetic number, because the mean of its divisors is an integer number (3669052608).

Almost surely, 2^70749425865 is an apocalyptic number.

It is an amenable number.

70749425865 is a deficient number, since it is larger than the sum of its proper divisors (46660257591).

70749425865 is a wasteful number, since it uses less digits than its factorization.

70749425865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262289.

The product of its (nonzero) digits is 16934400, while the sum is 57.

It can be divided in two parts, 7074942 and 5865, that added together give a palindrome (7080807).

The spelling of 70749425865 in words is "seventy billion, seven hundred forty-nine million, four hundred twenty-five thousand, eight hundred sixty-five".