70597573 has 2 divisors, whose sum is σ = 70597574. Its totient is φ = 70597572.

The previous prime is 70597567. The next prime is 70597601. The reversal of 70597573 is 37579507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70593604 + 3969 = 8402^2 + 63^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70597573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70597523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35298786 + 35298787.

It is an arithmetic number, because the mean of its divisors is an integer number (35298787).

Almost surely, 2^70597573 is an apocalyptic number.

It is an amenable number.

70597573 is a deficient number, since it is larger than the sum of its proper divisors (1).

70597573 is an equidigital number, since it uses as much as digits as its factorization.

70597573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 231525, while the sum is 43.

The square root of 70597573 is about 8402.2361904436. The cubic root of 70597573 is about 413.2979556234.

The spelling of 70597573 in words is "seventy million, five hundred ninety-seven thousand, five hundred seventy-three".