70712797450 has 24 divisors (see below), whose sum is σ = 131729149152. Its totient is φ = 28241388720.

The previous prime is 70712797391. The next prime is 70712797453. The reversal of 70712797450 is 5479721707.

It is a junction number, because it is equal to n+sod(n) for n = 70712797394 and 70712797403.

It is not an unprimeable number, because it can be changed into a prime (70712797453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1060584 + ... + 1125283.

It is an arithmetic number, because the mean of its divisors is an integer number (5488714548).

Almost surely, 2^70712797450 is an apocalyptic number.

70712797450 is a deficient number, since it is larger than the sum of its proper divisors (61016351702).

70712797450 is a wasteful number, since it uses less digits than its factorization.

70712797450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186526 (or 2186521 counting only the distinct ones).

The product of its (nonzero) digits is 864360, while the sum is 49.

The spelling of 70712797450 in words is "seventy billion, seven hundred twelve million, seven hundred ninety-seven thousand, four hundred fifty".