30069321 has 16 divisors (see below), whose sum is σ = 40793088. Its totient is φ = 19699200.

The previous prime is 30069313. The next prime is 30069353. The reversal of 30069321 is 12396003.

It is not a de Polignac number, because 30069321 - 2³ = 30069313 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30069291 and 30069300.

It is not an unprimeable number, because it can be changed into a prime (30069301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55311 + ... + 55851.

It is an arithmetic number, because the mean of its divisors is an integer number (2549568).

Almost surely, 2^30069321 is an apocalyptic number.

It is an amenable number.

30069321 is a deficient number, since it is larger than the sum of its proper divisors (10723767).

30069321 is a wasteful number, since it uses less digits than its factorization.

30069321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 30069321 is about 5483.5500362448. The cubic root of 30069321 is about 310.9623958972.

The spelling of 30069321 in words is "thirty million, sixty-nine thousand, three hundred twenty-one".