30470634 has 16 divisors (see below), whose sum is σ = 67712640. Its totient is φ = 10156860.

The previous prime is 30470621. The next prime is 30470639. The reversal of 30470634 is 43607403.

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 = 30470598 and 30470607.

It is not an unprimeable number, because it can be changed into a prime (30470639) 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, 282082 + ... + 282189.

It is an arithmetic number, because the mean of its divisors is an integer number (4232040).

Almost surely, 2^30470634 is an apocalyptic number.

30470634 is an abundant number, since it is smaller than the sum of its proper divisors (37242006).

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

30470634 is a wasteful number, since it uses less digits than its factorization.

30470634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564282 (or 564276 counting only the distinct ones).

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

The square root of 30470634 is about 5520.0211956115. The cubic root of 30470634 is about 312.3396818213.

The spelling of 30470634 in words is "thirty million, four hundred seventy thousand, six hundred thirty-four".