578066731 has 12 divisors (see below), whose sum is σ = 636009192. Its totient is φ = 525008000.

The previous prime is 578066729. The next prime is 578066767. The reversal of 578066731 is 137660875.

It is not a de Polignac number, because 578066731 - 2¹ = 578066729 is a prime.

It is a super-2 number, since 2×578066731² = 668322290978052722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (578066701) 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, 188571 + ... + 191611.

It is an arithmetic number, because the mean of its divisors is an integer number (53000766).

Almost surely, 2^578066731 is an apocalyptic number.

578066731 is a deficient number, since it is larger than the sum of its proper divisors (57942461).

578066731 is a wasteful number, since it uses less digits than its factorization.

578066731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4634 (or 4623 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 578066731 is about 24043.0183421300. The cubic root of 578066731 is about 833.0274741895.

The spelling of 578066731 in words is "five hundred seventy-eight million, sixty-six thousand, seven hundred thirty-one".