427548747 has 4 divisors (see below), whose sum is σ = 570065000. Its totient is φ = 285032496.

The previous prime is 427548739. The next prime is 427548749. The reversal of 427548747 is 747845724.

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

It is not a de Polignac number, because 427548747 - 2³ = 427548739 is a prime.

It is a super-2 number, since 2×427548747² = 365595862122540018, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427548696 and 427548705.

It is not an unprimeable number, because it can be changed into a prime (427548749) 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, 71258122 + ... + 71258127.

It is an arithmetic number, because the mean of its divisors is an integer number (142516250).

Almost surely, 2^427548747 is an apocalyptic number.

427548747 is a deficient number, since it is larger than the sum of its proper divisors (142516253).

427548747 is a wasteful number, since it uses less digits than its factorization.

427548747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142516252.

The product of its digits is 1756160, while the sum is 48.

The square root of 427548747 is about 20677.2519208912. The cubic root of 427548747 is about 753.3472593600.

The spelling of 427548747 in words is "four hundred twenty-seven million, five hundred forty-eight thousand, seven hundred forty-seven".