1676374644 has 48 divisors (see below), whose sum is σ = 4487011200. Its totient is φ = 477177216.

The previous prime is 1676374621. The next prime is 1676374649. The reversal of 1676374644 is 4464736761.

It is a super-2 number, since 2×1676374644² = 5620463894092253472, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1676374593 and 1676374602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1676374649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14499 + ... + 59690.

It is an arithmetic number, because the mean of its divisors is an integer number (93479400).

Almost surely, 2^1676374644 is an apocalyptic number.

1676374644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1676374644 is an abundant number, since it is smaller than the sum of its proper divisors (2810636556).

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

1676374644 is a wasteful number, since it uses less digits than its factorization.

1676374644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74472 (or 74470 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 48.

The square root of 1676374644 is about 40943.5543645151. The cubic root of 1676374644 is about 1187.9286622923.

The spelling of 1676374644 in words is "one billion, six hundred seventy-six million, three hundred seventy-four thousand, six hundred forty-four".