30402468 has 18 divisors (see below), whose sum is σ = 76850774. Its totient is φ = 10134144.

The previous prime is 30402457. The next prime is 30402479. The reversal of 30402468 is 86420403.

It is an interprime number because it is at equal distance from previous prime (30402457) and next prime (30402479).

It can be written as a sum of positive squares in only one way, i.e., 29942784 + 459684 = 5472^2 + 678^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 422221 + ... + 422292.

Almost surely, 2^30402468 is an apocalyptic number.

It is an amenable number.

30402468 is an abundant number, since it is smaller than the sum of its proper divisors (46448306).

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

30402468 is a wasteful number, since it uses less digits than its factorization.

30402468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844523 (or 844518 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 30402468 is about 5513.8433057170. The cubic root of 30402468 is about 312.1065957270.

The spelling of 30402468 in words is "thirty million, four hundred two thousand, four hundred sixty-eight".