30407769 has 12 divisors (see below), whose sum is σ = 50197056. Its totient is φ = 17375832.

The previous prime is 30407761. The next prime is 30407789. The reversal of 30407769 is 96770403.

It is not a de Polignac number, because 30407769 - 2³ = 30407761 is a prime.

It is a super-2 number, since 2×30407769² = 1849264831114722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30407761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241269 + ... + 241394.

It is an arithmetic number, because the mean of its divisors is an integer number (4183088).

Almost surely, 2^30407769 is an apocalyptic number.

It is an amenable number.

30407769 is a deficient number, since it is larger than the sum of its proper divisors (19789287).

30407769 is a wasteful number, since it uses less digits than its factorization.

30407769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482676 (or 482673 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 30407769 is about 5514.3239839531. The cubic root of 30407769 is about 312.1247343960.

The spelling of 30407769 in words is "thirty million, four hundred seven thousand, seven hundred sixty-nine".