69741421 has 2 divisors, whose sum is σ = 69741422. Its totient is φ = 69741420.

The previous prime is 69741407. The next prime is 69741461. The reversal of 69741421 is 12414796.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69538921 + 202500 = 8339^2 + 450^2 .

It is a cyclic number.

It is not a de Polignac number, because 69741421 - 2⁵ = 69741389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69741461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34870710 + 34870711.

It is an arithmetic number, because the mean of its divisors is an integer number (34870711).

Almost surely, 2^69741421 is an apocalyptic number.

It is an amenable number.

69741421 is a deficient number, since it is larger than the sum of its proper divisors (1).

69741421 is an equidigital number, since it uses as much as digits as its factorization.

69741421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 69741421 is about 8351.1329171556. The cubic root of 69741421 is about 411.6204382043.

The spelling of 69741421 in words is "sixty-nine million, seven hundred forty-one thousand, four hundred twenty-one".