672089298 has 8 divisors (see below), whose sum is σ = 1344178608. Its totient is φ = 224029764.

The previous prime is 672089293. The next prime is 672089321. The reversal of 672089298 is 892980276.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

672089298 is an admirable number.

It is a super-2 number, since 2×672089298² = 903408048972265608, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 672089298.

It is not an unprimeable number, because it can be changed into a prime (672089291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56007436 + ... + 56007447.

It is an arithmetic number, because the mean of its divisors is an integer number (168022326).

Almost surely, 2^672089298 is an apocalyptic number.

672089298 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

672089298 is a wasteful number, since it uses less digits than its factorization.

672089298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112014888.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 672089298 is about 25924.6851089844. The cubic root of 672089298 is about 875.9426241064.

The spelling of 672089298 in words is "six hundred seventy-two million, eighty-nine thousand, two hundred ninety-eight".