672915490 has 16 divisors (see below), whose sum is σ = 1304421048. Its totient is φ = 248461056.

The previous prime is 672915431. The next prime is 672915491. The reversal of 672915490 is 94519276.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 203889841 + 469025649 = 14279^2 + 21657^2 .

It is not an unprimeable number, because it can be changed into a prime (672915491) 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, 2588007 + ... + 2588266.

Almost surely, 2^672915490 is an apocalyptic number.

672915490 is a deficient number, since it is larger than the sum of its proper divisors (631505558).

672915490 is a wasteful number, since it uses less digits than its factorization.

672915490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5176293.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 672915490 is about 25940.6146804581. The cubic root of 672915490 is about 876.3014060167.

The spelling of 672915490 in words is "six hundred seventy-two million, nine hundred fifteen thousand, four hundred ninety".