1672765347708 has 144 divisors (see below), whose sum is σ = 5223949226496. Its totient is φ = 439491208320.

The previous prime is 1672765347697. The next prime is 1672765347709. The reversal of 1672765347708 is 8077435672761.

1672765347708 is a `hidden beast` number, since 1 + 6 + 7 + 27 + 6 + 534 + 7 + 70 + 8 = 666.

It is a super-2 number, since 2×1672765347708² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672765347709) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109158 + ... + 1832333.

It is an arithmetic number, because the mean of its divisors is an integer number (36277425184).

Almost surely, 2^{1672765347708} is an apocalyptic number.

1672765347708 is a gapful number since it is divisible by the number (18) 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 1672765347708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2611974613248).

1672765347708 is an abundant number, since it is smaller than the sum of its proper divisors (3551183878788).

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

1672765347708 is a wasteful number, since it uses less digits than its factorization.

1672765347708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941784 (or 1941779 counting only the distinct ones).

The product of its (nonzero) digits is 82978560, while the sum is 63.

The spelling of 1672765347708 in words is "one trillion, six hundred seventy-two billion, seven hundred sixty-five million, three hundred forty-seven thousand, seven hundred eight".