30836730 has 16 divisors (see below), whose sum is σ = 74008224. Its totient is φ = 8223120.

The previous prime is 30836713. The next prime is 30836737. The reversal of 30836730 is 3763803.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1027891 = 30836730 / (3 + 0 + 8 + 3 + 6 + 7 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (30836737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513916 + ... + 513975.

It is an arithmetic number, because the mean of its divisors is an integer number (4625514).

Almost surely, 2^30836730 is an apocalyptic number.

30836730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30836730 is an abundant number, since it is smaller than the sum of its proper divisors (43171494).

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

30836730 is a wasteful number, since it uses less digits than its factorization.

30836730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027901.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 30836730 is about 5553.0829275277. The cubic root of 30836730 is about 313.5855961058.

The spelling of 30836730 in words is "thirty million, eight hundred thirty-six thousand, seven hundred thirty".