70561593 has 6 divisors (see below), whose sum is σ = 101922314. Its totient is φ = 47041056.

The previous prime is 70561501. The next prime is 70561613. The reversal of 70561593 is 39516507.

It is a happy number.

70561593 is a `hidden beast` number, since 7 + 0 + 5 + 61 + 593 = 666.

It can be written as a sum of positive squares in only one way, i.e., 70509609 + 51984 = 8397^2 + 228^2 .

It is not a de Polignac number, because 70561593 - 2¹⁰ = 70560569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70561093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3920080 + ... + 3920097.

Almost surely, 2^70561593 is an apocalyptic number.

It is an amenable number.

70561593 is a deficient number, since it is larger than the sum of its proper divisors (31360721).

70561593 is a wasteful number, since it uses less digits than its factorization.

70561593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7840183 (or 7840180 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 70561593 is about 8400.0948208934. The cubic root of 70561593 is about 413.2277313613.

It can be divided in two parts, 7056 and 1593, that added together give a square (8649 = 93²).

The spelling of 70561593 in words is "seventy million, five hundred sixty-one thousand, five hundred ninety-three".