1672428459 has 32 divisors (see below), whose sum is σ = 2446839360. Its totient is φ = 1009907712.

The previous prime is 1672428427. The next prime is 1672428481. The reversal of 1672428459 is 9548242761.

It is not a de Polignac number, because 1672428459 - 2⁵ = 1672428427 is a prime.

It is a super-2 number, since 2×1672428459² = 5594033900946229362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1672408459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 473769 + ... + 477285.

It is an arithmetic number, because the mean of its divisors is an integer number (76463730).

Almost surely, 2^1672428459 is an apocalyptic number.

1672428459 is a deficient number, since it is larger than the sum of its proper divisors (774410901).

1672428459 is a wasteful number, since it uses less digits than its factorization.

1672428459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3759.

The product of its digits is 967680, while the sum is 48.

The square root of 1672428459 is about 40895.3354186024. The cubic root of 1672428459 is about 1186.9958021166.

The spelling of 1672428459 in words is "one billion, six hundred seventy-two million, four hundred twenty-eight thousand, four hundred fifty-nine".