672684081 has 8 divisors (see below), whose sum is σ = 897131424. Its totient is φ = 448346400.

The previous prime is 672684053. The next prime is 672684121. The reversal of 672684081 is 180486276.

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

It is not a de Polignac number, because 672684081 - 2⁵ = 672684049 is a prime.

It is a super-2 number, since 2×672684081² = 905007745661629122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (672604081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11836 + ... + 38541.

It is an arithmetic number, because the mean of its divisors is an integer number (112141428).

Almost surely, 2^672684081 is an apocalyptic number.

It is an amenable number.

672684081 is a deficient number, since it is larger than the sum of its proper divisors (224447343).

672684081 is a wasteful number, since it uses less digits than its factorization.

672684081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54831.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 672684081 is about 25936.1539361564. The cubic root of 672684081 is about 876.2009440297.

The spelling of 672684081 in words is "six hundred seventy-two million, six hundred eighty-four thousand, eighty-one".