1672020528 has 40 divisors (see below), whose sum is σ = 4436131248. Its totient is φ = 542276352.

The previous prime is 1672020523. The next prime is 1672020599. The reversal of 1672020528 is 8250202761.

It is not an unprimeable number, because it can be changed into a prime (1672020523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468951 + ... + 472502.

Almost surely, 2^1672020528 is an apocalyptic number.

It is an amenable number.

1672020528 is an abundant number, since it is smaller than the sum of its proper divisors (2764110720).

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

1672020528 is a wasteful number, since it uses less digits than its factorization.

1672020528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941501 (or 941495 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1672020528 is about 40890.3476140764. The cubic root of 1672020528 is about 1186.8992854303.

The spelling of 1672020528 in words is "one billion, six hundred seventy-two million, twenty thousand, five hundred twenty-eight".