677072061 has 16 divisors (see below), whose sum is σ = 1005817600. Its totient is φ = 450144864.

The previous prime is 677072047. The next prime is 677072063. The reversal of 677072061 is 160270776.

It is not a de Polignac number, because 677072061 - 2¹⁰ = 677071037 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 (677072063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24256 + ... + 44073.

It is an arithmetic number, because the mean of its divisors is an integer number (62863600).

Almost surely, 2^677072061 is an apocalyptic number.

It is an amenable number.

677072061 is a deficient number, since it is larger than the sum of its proper divisors (328745539).

677072061 is a wasteful number, since it uses less digits than its factorization.

677072061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68705 (or 68699 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 677072061 is about 26020.6083902740. The cubic root of 677072061 is about 878.1019961485.

The spelling of 677072061 in words is "six hundred seventy-seven million, seventy-two thousand, sixty-one".