30672985 has 8 divisors (see below), whose sum is σ = 42065856. Its totient is φ = 21032880.

The previous prime is 30672959. The next prime is 30672989. The reversal of 30672985 is 58927603.

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

It is not a de Polignac number, because 30672985 - 2¹⁹ = 30148697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30672989) 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, 438151 + ... + 438220.

It is an arithmetic number, because the mean of its divisors is an integer number (5258232).

Almost surely, 2^30672985 is an apocalyptic number.

30672985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30672985 is a deficient number, since it is larger than the sum of its proper divisors (11392871).

30672985 is an equidigital number, since it uses as much as digits as its factorization.

30672985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876383.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 30672985 is about 5538.3196910254. The cubic root of 30672985 is about 313.0295575798.

The spelling of 30672985 in words is "thirty million, six hundred seventy-two thousand, nine hundred eighty-five".