30129682 has 8 divisors (see below), whose sum is σ = 49303152. Its totient is φ = 13695300.

The previous prime is 30129667. The next prime is 30129689. The reversal of 30129682 is 28692103.

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

It is a super-2 number, since 2×30129682² = 1815595474842248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30129689) 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, 684744 + ... + 684787.

It is an arithmetic number, because the mean of its divisors is an integer number (6162894).

Almost surely, 2^30129682 is an apocalyptic number.

30129682 is a deficient number, since it is larger than the sum of its proper divisors (19173470).

30129682 is a wasteful number, since it uses less digits than its factorization.

30129682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369544.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 30129682 is about 5489.0511019665. The cubic root of 30129682 is about 311.1703315932.

The spelling of 30129682 in words is "thirty million, one hundred twenty-nine thousand, six hundred eighty-two".