1672654520 has 32 divisors (see below), whose sum is σ = 3776796720. Its totient is φ = 666693120.

The previous prime is 1672654513. The next prime is 1672654541. The reversal of 1672654520 is 254562761.

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 7 ways as a sum of consecutive naturals, for example, 62561 + ... + 85200.

Almost surely, 2^1672654520 is an apocalyptic number.

1672654520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1672654520 is an abundant number, since it is smaller than the sum of its proper divisors (2104142200).

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

1672654520 is a wasteful number, since it uses less digits than its factorization.

1672654520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148055 (or 148051 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 1672654520 is about 40898.0992223355. The cubic root of 1672654520 is about 1187.0492815081.

The spelling of 1672654520 in words is "one billion, six hundred seventy-two million, six hundred fifty-four thousand, five hundred twenty".