1672535445 has 32 divisors (see below), whose sum is σ = 3061493760. Its totient is φ = 763801920.

The previous prime is 1672535411. The next prime is 1672535461. The reversal of 1672535445 is 5445352761.

It is not a de Polignac number, because 1672535445 - 2⁹ = 1672534933 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1672535397 and 1672535406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101430 + ... + 116760.

It is an arithmetic number, because the mean of its divisors is an integer number (95671680).

Almost surely, 2^1672535445 is an apocalyptic number.

1672535445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1672535445 is a deficient number, since it is larger than the sum of its proper divisors (1388958315).

1672535445 is a wasteful number, since it uses less digits than its factorization.

1672535445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16385.

The product of its digits is 504000, while the sum is 42.

The square root of 1672535445 is about 40896.6434441752. The cubic root of 1672535445 is about 1187.0211124618.

The spelling of 1672535445 in words is "one billion, six hundred seventy-two million, five hundred thirty-five thousand, four hundred forty-five".