676972416 has 64 divisors (see below), whose sum is σ = 1803294720. Its totient is φ = 225019392.

The previous prime is 676972391. The next prime is 676972441. The reversal of 676972416 is 614279676.

It is an interprime number because it is at equal distance from previous prime (676972391) and next prime (676972441).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144771 + ... + 149373.

It is an arithmetic number, because the mean of its divisors is an integer number (28176480).

Almost surely, 2^676972416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 676972416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901647360).

676972416 is an abundant number, since it is smaller than the sum of its proper divisors (1126322304).

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

676972416 is a wasteful number, since it uses less digits than its factorization.

676972416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003 (or 4991 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 676972416 is about 26018.6935874959. The cubic root of 676972416 is about 878.0589171465.

The spelling of 676972416 in words is "six hundred seventy-six million, nine hundred seventy-two thousand, four hundred sixteen".