427629573 has 12 divisors (see below), whose sum is σ = 705928288. Its totient is φ = 244359720.

The previous prime is 427629557. The next prime is 427629583. The reversal of 427629573 is 375926724.

427629573 is a `hidden beast` number, since 4 + 2 + 76 + 2 + 9 + 573 = 666.

It is not a de Polignac number, because 427629573 - 2⁴ = 427629557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427629533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3393823 + ... + 3393948.

Almost surely, 2^427629573 is an apocalyptic number.

It is an amenable number.

427629573 is a deficient number, since it is larger than the sum of its proper divisors (278298715).

427629573 is a wasteful number, since it uses less digits than its factorization.

427629573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6787784 (or 6787781 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 427629573 is about 20679.2062952136. The cubic root of 427629573 is about 753.3947285741.

The spelling of 427629573 in words is "four hundred twenty-seven million, six hundred twenty-nine thousand, five hundred seventy-three".