30744630 has 64 divisors (see below), whose sum is σ = 93703680. Its totient is φ = 7026912.

The previous prime is 30744587. The next prime is 30744647. The reversal of 30744630 is 3644703.

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 = 30744594 and 30744603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6244 + ... + 10023.

It is an arithmetic number, because the mean of its divisors is an integer number (1464120).

Almost surely, 2^30744630 is an apocalyptic number.

30744630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30744630 is an abundant number, since it is smaller than the sum of its proper divisors (62959050).

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

30744630 is a wasteful number, since it uses less digits than its factorization.

30744630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16290 (or 16284 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 30744630 is about 5544.7840354697. The cubic root of 30744630 is about 313.2730896200.

The spelling of 30744630 in words is "thirty million, seven hundred forty-four thousand, six hundred thirty".