672851330 has 32 divisors (see below), whose sum is σ = 1326605040. Its totient is φ = 244572160.

The previous prime is 672851329. The next prime is 672851341. The reversal of 672851330 is 33158276.

It can be written as a sum of positive squares in 8 ways, for example, as 187662601 + 485188729 = 13699^2 + 22027^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63311 + ... + 73170.

Almost surely, 2^672851330 is an apocalyptic number.

672851330 is a deficient number, since it is larger than the sum of its proper divisors (653753710).

672851330 is a wasteful number, since it uses less digits than its factorization.

672851330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136534.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 672851330 is about 25939.3779802061. The cubic root of 672851330 is about 876.2735544335.

The spelling of 672851330 in words is "six hundred seventy-two million, eight hundred fifty-one thousand, three hundred thirty".