30147660 has 48 divisors (see below), whose sum is σ = 93794400. Its totient is φ = 8039232.

The previous prime is 30147659. The next prime is 30147671. The reversal of 30147660 is 6674103.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27375 + ... + 28454.

It is an arithmetic number, because the mean of its divisors is an integer number (1954050).

Almost surely, 2^30147660 is an apocalyptic number.

30147660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30147660 is an abundant number, since it is smaller than the sum of its proper divisors (63646740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30147660 is a wasteful number, since it uses less digits than its factorization.

30147660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55847 (or 55839 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 30147660 is about 5490.6884814202. The cubic root of 30147660 is about 311.2322097540.

It can be divided in two parts, 301 and 47660, that added together give a square (47961 = 219²).

The spelling of 30147660 in words is "thirty million, one hundred forty-seven thousand, six hundred sixty".