70954421 has 2 divisors, whose sum is σ = 70954422. Its totient is φ = 70954420.

The previous prime is 70954409. The next prime is 70954453. The reversal of 70954421 is 12445907.

It is a happy number.

It is an a-pointer prime, because the next prime (70954453) can be obtained adding 70954421 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65431921 + 5522500 = 8089^2 + 2350^2 .

It is an emirp because it is prime and its reverse (12445907) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70954421 - 2¹⁴ = 70938037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70954021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35477210 + 35477211.

It is an arithmetic number, because the mean of its divisors is an integer number (35477211).

Almost surely, 2^70954421 is an apocalyptic number.

It is an amenable number.

70954421 is a deficient number, since it is larger than the sum of its proper divisors (1).

70954421 is an equidigital number, since it uses as much as digits as its factorization.

70954421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 70954421 is about 8423.4447229147. Note that the first 3 decimals coincide. The cubic root of 70954421 is about 413.9931483070.

The spelling of 70954421 in words is "seventy million, nine hundred fifty-four thousand, four hundred twenty-one".