30266730 has 64 divisors (see below), whose sum is σ = 86929920. Its totient is φ = 7449408.

The previous prime is 30266723. The next prime is 30266741. The reversal of 30266730 is 3766203.

30266730 = T₂₆₀ + T₂₆₁ + ... + T₅₈₃.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30266694 and 30266703.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 802 + ... + 7821.

It is an arithmetic number, because the mean of its divisors is an integer number (1358280).

Almost surely, 2^30266730 is an apocalyptic number.

30266730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30266730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43464960).

30266730 is an abundant number, since it is smaller than the sum of its proper divisors (56663190).

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

30266730 is a wasteful number, since it uses less digits than its factorization.

30266730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8652 (or 8646 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 30266730 is about 5501.5206988614. The cubic root of 30266730 is about 311.6414149552.

The spelling of 30266730 in words is "thirty million, two hundred sixty-six thousand, seven hundred thirty".