30402069 has 8 divisors (see below), whose sum is σ = 42920640. Its totient is φ = 19075776.

The previous prime is 30402023. The next prime is 30402077. The reversal of 30402069 is 96020403.

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

It is not a de Polignac number, because 30402069 - 2⁹ = 30401557 is a prime.

It is a super-2 number, since 2×30402069² = 1848571598961522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30402569) 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, 298009 + ... + 298110.

It is an arithmetic number, because the mean of its divisors is an integer number (5365080).

Almost surely, 2^30402069 is an apocalyptic number.

It is an amenable number.

30402069 is a deficient number, since it is larger than the sum of its proper divisors (12518571).

30402069 is a wasteful number, since it uses less digits than its factorization.

30402069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596139.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 30402069 is about 5513.8071239390. The cubic root of 30402069 is about 312.1052303655.

The spelling of 30402069 in words is "thirty million, four hundred two thousand, sixty-nine".