672948428 has 12 divisors (see below), whose sum is σ = 1178999640. Its totient is φ = 336091392.

The previous prime is 672948427. The next prime is 672948433. The reversal of 672948428 is 824849276.

It is not an unprimeable number, because it can be changed into a prime (672948427) 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 3 ways as a sum of consecutive naturals, for example, 91733 + ... + 98796.

It is an arithmetic number, because the mean of its divisors is an integer number (98249970).

Almost surely, 2^672948428 is an apocalyptic number.

It is an amenable number.

672948428 is a deficient number, since it is larger than the sum of its proper divisors (506051212).

672948428 is a wasteful number, since it uses less digits than its factorization.

672948428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191416 (or 191414 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 50.

The square root of 672948428 is about 25941.2495458488. The cubic root of 672948428 is about 876.3157035747.

It can be divided in two parts, 672948 and 428, that added together give a palindrome (673376).

The spelling of 672948428 in words is "six hundred seventy-two million, nine hundred forty-eight thousand, four hundred twenty-eight".