1672766976 has 80 divisors (see below), whose sum is σ = 4486878000. Its totient is φ = 553771008.

The previous prime is 1672766971. The next prime is 1672766981. The reversal of 1672766976 is 6796672761.

It is an interprime number because it is at equal distance from previous prime (1672766971) and next prime (1672766981).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672766971) 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, 225210 + ... + 232518.

It is an arithmetic number, because the mean of its divisors is an integer number (56085975).

Almost surely, 2^1672766976 is an apocalyptic number.

1672766976 is a gapful number since it is divisible by the number (16) 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 1672766976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2243439000).

1672766976 is an abundant number, since it is smaller than the sum of its proper divisors (2814111024).

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

1672766976 is an equidigital number, since it uses as much as digits as its factorization.

1672766976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7479 (or 7463 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 57.

The square root of 1672766976 is about 40899.4740308479. The cubic root of 1672766976 is about 1187.0758834993.

The spelling of 1672766976 in words is "one billion, six hundred seventy-two million, seven hundred sixty-six thousand, nine hundred seventy-six".