427320072606 has 32 divisors (see below), whose sum is σ = 976938589440. Its totient is φ = 122065574976.

The previous prime is 427320072563. The next prime is 427320072611. The reversal of 427320072606 is 606270023724.

It is a super-2 number, since 2×427320072606² (a number of 24 digits) contains 22 as substring.

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, 877116 + ... + 1274351.

It is an arithmetic number, because the mean of its divisors is an integer number (30529330920).

Almost surely, 2^427320072606 is an apocalyptic number.

427320072606 is an abundant number, since it is smaller than the sum of its proper divisors (549618516834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427320072606 is a wasteful number, since it uses less digits than its factorization.

427320072606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156208.

The product of its (nonzero) digits is 169344, while the sum is 39.

The spelling of 427320072606 in words is "four hundred twenty-seven billion, three hundred twenty million, seventy-two thousand, six hundred six".