1672232436 has 36 divisors (see below), whose sum is σ = 4830894432. Its totient is φ = 477780624.

The previous prime is 1672232417. The next prime is 1672232447. The reversal of 1672232436 is 6342322761.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1672232436² = 5592722640020988192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1672232436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3317670 + ... + 3318173.

It is an arithmetic number, because the mean of its divisors is an integer number (134191512).

Almost surely, 2^1672232436 is an apocalyptic number.

It is an amenable number.

1672232436 is an abundant number, since it is smaller than the sum of its proper divisors (3158661996).

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

1672232436 is a wasteful number, since it uses less digits than its factorization.

1672232436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6635860 (or 6635855 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 1672232436 is about 40892.9387058450. The cubic root of 1672232436 is about 1186.9494249321.

The spelling of 1672232436 in words is "one billion, six hundred seventy-two million, two hundred thirty-two thousand, four hundred thirty-six".