427066660724 has 48 divisors (see below), whose sum is σ = 822064588800. Its totient is φ = 192514008960.

The previous prime is 427066660693. The next prime is 427066660799.

427066660724 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14944802 + ... + 14973350.

It is an arithmetic number, because the mean of its divisors is an integer number (17126345600).

Almost surely, 2^427066660724 is an apocalyptic number.

427066660724 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

427066660724 is a deficient number, since it is larger than the sum of its proper divisors (394997928076).

427066660724 is a wasteful number, since it uses less digits than its factorization.

427066660724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31368 (or 31366 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 50.

The spelling of 427066660724 in words is "four hundred twenty-seven billion, sixty-six million, six hundred sixty thousand, seven hundred twenty-four".