70474347668 has 6 divisors (see below), whose sum is σ = 123330108426. Its totient is φ = 35237173832.

The previous prime is 70474347661. The next prime is 70474347683. The reversal of 70474347668 is 86674347407.

It can be written as a sum of positive squares in only one way, i.e., 37543712644 + 32930635024 = 193762^2 + 181468^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70474347661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8809293455 + ... + 8809293462.

It is an arithmetic number, because the mean of its divisors is an integer number (20555018071).

Almost surely, 2^70474347668 is an apocalyptic number.

It is an amenable number.

70474347668 is a deficient number, since it is larger than the sum of its proper divisors (52855760758).

70474347668 is a wasteful number, since it uses less digits than its factorization.

70474347668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17618586921 (or 17618586919 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 56.

The spelling of 70474347668 in words is "seventy billion, four hundred seventy-four million, three hundred forty-seven thousand, six hundred sixty-eight".