427369747 has 4 divisors (see below), whose sum is σ = 488422576. Its totient is φ = 366316920.

The previous prime is 427369703. The next prime is 427369769. The reversal of 427369747 is 747963724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427369747 - 2¹⁹ = 426845459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 427369747.

It is not an unprimeable number, because it can be changed into a prime (427369777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30526404 + ... + 30526417.

It is an arithmetic number, because the mean of its divisors is an integer number (122105644).

Almost surely, 2^427369747 is an apocalyptic number.

427369747 is a deficient number, since it is larger than the sum of its proper divisors (61052829).

427369747 is an equidigital number, since it uses as much as digits as its factorization.

427369747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61052828.

The product of its digits is 1778112, while the sum is 49.

The square root of 427369747 is about 20672.9230395704. The cubic root of 427369747 is about 753.2421111295.

The spelling of 427369747 in words is "four hundred twenty-seven million, three hundred sixty-nine thousand, seven hundred forty-seven".