30672137 has 8 divisors (see below), whose sum is σ = 32373600. Its totient is φ = 28979424.

The previous prime is 30672127. The next prime is 30672143. The reversal of 30672137 is 73127603.

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

It is a cyclic number.

It is not a de Polignac number, because 30672137 - 2⁴ = 30672121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30672127) 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, 5798 + ... + 9744.

It is an arithmetic number, because the mean of its divisors is an integer number (4046700).

Almost surely, 2^30672137 is an apocalyptic number.

It is an amenable number.

30672137 is a deficient number, since it is larger than the sum of its proper divisors (1701463).

30672137 is a wasteful number, since it uses less digits than its factorization.

30672137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4375.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 30672137 is about 5538.2431329800. The cubic root of 30672137 is about 313.0266728317.

The spelling of 30672137 in words is "thirty million, six hundred seventy-two thousand, one hundred thirty-seven".