70667400670740 has 36 divisors (see below), whose sum is σ = 214357782035124. Its totient is φ = 18844640178816.

The previous prime is 70667400670729. The next prime is 70667400670747. The reversal of 70667400670740 is 4707600476607.

70667400670740 is a `hidden beast` number, since 70 + 6 + 67 + 400 + 6 + 70 + 7 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7421581650564 + 63245819020176 = 2724258^2 + 7952724^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70667400670747) 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, 196298335017 + ... + 196298335376.

It is an arithmetic number, because the mean of its divisors is an integer number (5954382834309).

Almost surely, 2^{70667400670740} is an apocalyptic number.

It is an amenable number.

70667400670740 is an abundant number, since it is smaller than the sum of its proper divisors (143690381364384).

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

70667400670740 is a wasteful number, since it uses less digits than its factorization.

70667400670740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392596670408 (or 392596670403 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 54.

The spelling of 70667400670740 in words is "seventy trillion, six hundred sixty-seven billion, four hundred million, six hundred seventy thousand, seven hundred forty".