420742727 has 8 divisors (see below), whose sum is σ = 426950400. Its totient is φ = 414547200.

The previous prime is 420742723. The next prime is 420742739. The reversal of 420742727 is 727247024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420742727 - 2² = 420742723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420742723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85274 + ... + 90072.

It is an arithmetic number, because the mean of its divisors is an integer number (53368800).

Almost surely, 2^420742727 is an apocalyptic number.

420742727 is a deficient number, since it is larger than the sum of its proper divisors (6207673).

420742727 is a wasteful number, since it uses less digits than its factorization.

420742727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6073.

The product of its (nonzero) digits is 43904, while the sum is 35.

The square root of 420742727 is about 20512.0142111885. The cubic root of 420742727 is about 749.3284222313.

The spelling of 420742727 in words is "four hundred twenty million, seven hundred forty-two thousand, seven hundred twenty-seven".