30630474 has 40 divisors (see below), whose sum is σ = 78442848. Its totient is φ = 8751240.

The previous prime is 30630473. The next prime is 30630497. The reversal of 30630474 is 47403603.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30630473) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12372 + ... + 14639.

Almost surely, 2^30630474 is an apocalyptic number.

30630474 is an abundant number, since it is smaller than the sum of its proper divisors (47812374).

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

30630474 is a wasteful number, since it uses less digits than its factorization.

30630474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27032 (or 27023 counting only the distinct ones).

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

The square root of 30630474 is about 5534.4804634220. The cubic root of 30630474 is about 312.8848770417.

The spelling of 30630474 in words is "thirty million, six hundred thirty thousand, four hundred seventy-four".