30132479 has 16 divisors (see below), whose sum is σ = 33808320. Its totient is φ = 26664960.

The previous prime is 30132469. The next prime is 30132481. The reversal of 30132479 is 97423103.

It is a cyclic number.

It is not a de Polignac number, because 30132479 - 2¹² = 30128383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30132409) 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 15 ways as a sum of consecutive naturals, for example, 96734 + ... + 97044.

It is an arithmetic number, because the mean of its divisors is an integer number (2113020).

Almost surely, 2^30132479 is an apocalyptic number.

30132479 is a deficient number, since it is larger than the sum of its proper divisors (3675841).

30132479 is a wasteful number, since it uses less digits than its factorization.

30132479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 30132479 is about 5489.3058759738. The cubic root of 30132479 is about 311.1799601546.

The spelling of 30132479 in words is "thirty million, one hundred thirty-two thousand, four hundred seventy-nine".