70670593 has 24 divisors (see below), whose sum is σ = 87189480. Its totient is φ = 57012480.

The previous prime is 70670591. The next prime is 70670597. The reversal of 70670593 is 39507607.

It can be written as a sum of positive squares in 4 ways, for example, as 1979649 + 68690944 = 1407^2 + 8288^2 .

It is not a de Polignac number, because 70670593 - 2¹ = 70670591 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (70670591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57655 + ... + 58867.

It is an arithmetic number, because the mean of its divisors is an integer number (3632895).

Almost surely, 2^70670593 is an apocalyptic number.

It is an amenable number.

70670593 is a deficient number, since it is larger than the sum of its proper divisors (16518887).

70670593 is a wasteful number, since it uses less digits than its factorization.

70670593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297 (or 1290 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 70670593 is about 8406.5803392343. The cubic root of 70670593 is about 413.4403996978.

The spelling of 70670593 in words is "seventy million, six hundred seventy thousand, five hundred ninety-three".