676443725 has 24 divisors (see below), whose sum is σ = 854195328. Its totient is φ = 531273600.

The previous prime is 676443697. The next prime is 676443727. The reversal of 676443725 is 527344676.

It is not a de Polignac number, because 676443725 - 2¹⁸ = 676181581 is a prime.

It is a super-2 number, since 2×676443725² = 915152226183751250, which contains 22 as substring.

Its product of digits (846720) is a multiple of the sum of its prime divisors (1440).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676443727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 721457 + ... + 722393.

It is an arithmetic number, because the mean of its divisors is an integer number (35591472).

Almost surely, 2^676443725 is an apocalyptic number.

It is an amenable number.

676443725 is a deficient number, since it is larger than the sum of its proper divisors (177751603).

676443725 is a wasteful number, since it uses less digits than its factorization.

676443725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445 (or 1440 counting only the distinct ones).

The product of its digits is 846720, while the sum is 44.

The square root of 676443725 is about 26008.5317732470. The cubic root of 676443725 is about 877.8302801861.

The spelling of 676443725 in words is "six hundred seventy-six million, four hundred forty-three thousand, seven hundred twenty-five".