30239974 has 8 divisors (see below), whose sum is σ = 48028248. Its totient is φ = 14230560.

The previous prime is 30239969. The next prime is 30239977. The reversal of 30239974 is 47993203.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30239977) 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, 444672 + ... + 444739.

It is an arithmetic number, because the mean of its divisors is an integer number (6003531).

Almost surely, 2^30239974 is an apocalyptic number.

30239974 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30239974 is a deficient number, since it is larger than the sum of its proper divisors (17788274).

30239974 is a wasteful number, since it uses less digits than its factorization.

30239974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889430.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 30239974 is about 5499.0884699194. The cubic root of 30239974 is about 311.5495568221.

It can be divided in two parts, 30239 and 974, that added together give a palindrome (31213).

The spelling of 30239974 in words is "thirty million, two hundred thirty-nine thousand, nine hundred seventy-four".