69703421 has 2 divisors, whose sum is σ = 69703422. Its totient is φ = 69703420.

The previous prime is 69703399. The next prime is 69703441. The reversal of 69703421 is 12430796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58905625 + 10797796 = 7675^2 + 3286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69703421 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 (69703441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34851710 + 34851711.

It is an arithmetic number, because the mean of its divisors is an integer number (34851711).

Almost surely, 2^69703421 is an apocalyptic number.

It is an amenable number.

69703421 is a deficient number, since it is larger than the sum of its proper divisors (1).

69703421 is an equidigital number, since it uses as much as digits as its factorization.

69703421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 69703421 is about 8348.8574667436. The cubic root of 69703421 is about 411.5456647619.

The spelling of 69703421 in words is "sixty-nine million, seven hundred three thousand, four hundred twenty-one".