427519793 has 8 divisors (see below), whose sum is σ = 442964328. Its totient is φ = 412280064.

The previous prime is 427519759. The next prime is 427519801. The reversal of 427519793 is 397915724.

It can be written as a sum of positive squares in 4 ways, for example, as 118744609 + 308775184 = 10897^2 + 17572^2 .

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 427519793 - 2¹⁴ = 427503409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (427519733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46946 + ... + 55307.

It is an arithmetic number, because the mean of its divisors is an integer number (55370541).

Almost surely, 2^427519793 is an apocalyptic number.

It is an amenable number.

427519793 is a deficient number, since it is larger than the sum of its proper divisors (15444535).

427519793 is a wasteful number, since it uses less digits than its factorization.

427519793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102403.

The product of its digits is 476280, while the sum is 47.

The square root of 427519793 is about 20676.5517676425. The cubic root of 427519793 is about 753.3302531831.

The spelling of 427519793 in words is "four hundred twenty-seven million, five hundred nineteen thousand, seven hundred ninety-three".