70879453 has 2 divisors, whose sum is σ = 70879454. Its totient is φ = 70879452.

The previous prime is 70879433. The next prime is 70879463. The reversal of 70879453 is 35497807.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55995289 + 14884164 = 7483^2 + 3858^2 .

It is an emirp because it is prime and its reverse (35497807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70879453 - 2¹³ = 70871261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70879433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35439726 + 35439727.

It is an arithmetic number, because the mean of its divisors is an integer number (35439727).

Almost surely, 2^70879453 is an apocalyptic number.

It is an amenable number.

70879453 is a deficient number, since it is larger than the sum of its proper divisors (1).

70879453 is an equidigital number, since it uses as much as digits as its factorization.

70879453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 70879453 is about 8418.9935859341. The cubic root of 70879453 is about 413.8472932876.

The spelling of 70879453 in words is "seventy million, eight hundred seventy-nine thousand, four hundred fifty-three".