1672434525630 has 128 divisors (see below), whose sum is σ = 4616017528320. Its totient is φ = 383531466240.

The previous prime is 1672434525607. The next prime is 1672434525659. The reversal of 1672434525630 is 365254342761.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1672434525630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4047792 + ... + 4441788.

It is an arithmetic number, because the mean of its divisors is an integer number (36062636940).

Almost surely, 2^{1672434525630} is an apocalyptic number.

1672434525630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1672434525630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2308008764160).

1672434525630 is an abundant number, since it is smaller than the sum of its proper divisors (2943583002690).

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

1672434525630 is a wasteful number, since it uses less digits than its factorization.

1672434525630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394714.

The product of its (nonzero) digits is 3628800, while the sum is 48.

The spelling of 1672434525630 in words is "one trillion, six hundred seventy-two billion, four hundred thirty-four million, five hundred twenty-five thousand, six hundred thirty".