30672630 has 96 divisors (see below), whose sum is σ = 83798208. Its totient is φ = 7776000.

The previous prime is 30672613. The next prime is 30672643. The reversal of 30672630 is 3627603.

It is a super-2 number, since 2×30672630² = 1881620462233800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30672594 and 30672603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 203055 + ... + 203205.

It is an arithmetic number, because the mean of its divisors is an integer number (872898).

Almost surely, 2^30672630 is an apocalyptic number.

30672630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30672630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41899104).

30672630 is an abundant number, since it is smaller than the sum of its proper divisors (53125578).

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

30672630 is a wasteful number, since it uses less digits than its factorization.

30672630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 30672630 is about 5538.2876415008. The cubic root of 30672630 is about 313.0283499382.

The spelling of 30672630 in words is "thirty million, six hundred seventy-two thousand, six hundred thirty".