70597949 has 2 divisors, whose sum is σ = 70597950. Its totient is φ = 70597948.

The previous prime is 70597937. The next prime is 70597973. The reversal of 70597949 is 94979507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67980025 + 2617924 = 8245^2 + 1618^2 .

It is a cyclic number.

It is not a de Polignac number, because 70597949 - 2⁸ = 70597693 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70597897 and 70597906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70597979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35298974 + 35298975.

It is an arithmetic number, because the mean of its divisors is an integer number (35298975).

Almost surely, 2^70597949 is an apocalyptic number.

It is an amenable number.

70597949 is a deficient number, since it is larger than the sum of its proper divisors (1).

70597949 is an equidigital number, since it uses as much as digits as its factorization.

70597949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 714420, while the sum is 50.

The square root of 70597949 is about 8402.2585654097. The cubic root of 70597949 is about 413.2986893585.

The spelling of 70597949 in words is "seventy million, five hundred ninety-seven thousand, nine hundred forty-nine".