373780427 has 2 divisors, whose sum is σ = 373780428. Its totient is φ = 373780426.

The previous prime is 373780387. The next prime is 373780439. The reversal of 373780427 is 724087373.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 373780427 - 2¹⁰ = 373779403 is a prime.

It is not a weakly prime, because it can be changed into another prime (373780727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186890213 + 186890214.

It is an arithmetic number, because the mean of its divisors is an integer number (186890214).

Almost surely, 2^373780427 is an apocalyptic number.

373780427 is a deficient number, since it is larger than the sum of its proper divisors (1).

373780427 is an equidigital number, since it uses as much as digits as its factorization.

373780427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 373780427 is about 19333.4018475797. The cubic root of 373780427 is about 720.3421900957.

The spelling of 373780427 in words is "three hundred seventy-three million, seven hundred eighty thousand, four hundred twenty-seven".