270787421 has 2 divisors, whose sum is σ = 270787422. Its totient is φ = 270787420.

The previous prime is 270787399. The next prime is 270787457. The reversal of 270787421 is 124787072.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147355321 + 123432100 = 12139^2 + 11110^2 .

It is a cyclic number.

It is not a de Polignac number, because 270787421 - 2¹⁴ = 270771037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270787481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135393710 + 135393711.

It is an arithmetic number, because the mean of its divisors is an integer number (135393711).

Almost surely, 2^270787421 is an apocalyptic number.

It is an amenable number.

270787421 is a deficient number, since it is larger than the sum of its proper divisors (1).

270787421 is an equidigital number, since it uses as much as digits as its factorization.

270787421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 270787421 is about 16455.6197391651. The cubic root of 270787421 is about 646.9581109454.

The spelling of 270787421 in words is "two hundred seventy million, seven hundred eighty-seven thousand, four hundred twenty-one".