70545469 has 2 divisors, whose sum is σ = 70545470. Its totient is φ = 70545468.

The previous prime is 70545467. The next prime is 70545493. The reversal of 70545469 is 96454507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44382244 + 26163225 = 6662^2 + 5115^2 .

It is a cyclic number.

It is not a de Polignac number, because 70545469 - 2¹ = 70545467 is a prime.

It is a super-2 number, since 2×70545469² = 9953326392859922, which contains 22 as substring.

Together with 70545467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70545467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35272734 + 35272735.

It is an arithmetic number, because the mean of its divisors is an integer number (35272735).

Almost surely, 2^70545469 is an apocalyptic number.

It is an amenable number.

70545469 is a deficient number, since it is larger than the sum of its proper divisors (1).

70545469 is an equidigital number, since it uses as much as digits as its factorization.

70545469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 70545469 is about 8399.1350149882. The cubic root of 70545469 is about 413.1962534650.

The spelling of 70545469 in words is "seventy million, five hundred forty-five thousand, four hundred sixty-nine".