677746740 has 96 divisors (see below), whose sum is σ = 2089422720. Its totient is φ = 162777600.

The previous prime is 677746691. The next prime is 677746753. The reversal of 677746740 is 47647776.

It is a self number, because there is not a number n which added to its sum of digits gives 677746740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67230 + ... + 76650.

It is an arithmetic number, because the mean of its divisors is an integer number (21764820).

Almost surely, 2^677746740 is an apocalyptic number.

677746740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677746740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1044711360).

677746740 is an abundant number, since it is smaller than the sum of its proper divisors (1411675980).

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

677746740 is a wasteful number, since it uses less digits than its factorization.

677746740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9553 (or 9551 counting only the distinct ones).

The product of its (nonzero) digits is 1382976, while the sum is 48.

The square root of 677746740 is about 26033.5694824970. The cubic root of 677746740 is about 878.3935654603.

The spelling of 677746740 in words is "six hundred seventy-seven million, seven hundred forty-six thousand, seven hundred forty".