676443744 has 48 divisors (see below), whose sum is σ = 1972963440. Its totient is φ = 225480960.

The previous prime is 676443743. The next prime is 676443749. The reversal of 676443744 is 447344676.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×676443744² = 915152277593475072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 676443744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676443743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390597 + ... + 392324.

It is an arithmetic number, because the mean of its divisors is an integer number (41103405).

Almost surely, 2^676443744 is an apocalyptic number.

It is an amenable number.

676443744 is an abundant number, since it is smaller than the sum of its proper divisors (1296519696).

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

676443744 is a wasteful number, since it uses less digits than its factorization.

676443744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782940 (or 782926 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 45.

The square root of 676443744 is about 26008.5321385118. The cubic root of 676443744 is about 877.8302884050.

The spelling of 676443744 in words is "six hundred seventy-six million, four hundred forty-three thousand, seven hundred forty-four".