30047402 has 32 divisors (see below), whose sum is σ = 57162240. Its totient is φ = 11504880.

The previous prime is 30047389. The next prime is 30047471. The reversal of 30047402 is 20474003.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7433 + ... + 10739.

It is an arithmetic number, because the mean of its divisors is an integer number (1786320).

Almost surely, 2^30047402 is an apocalyptic number.

30047402 is a deficient number, since it is larger than the sum of its proper divisors (27114838).

30047402 is a wasteful number, since it uses less digits than its factorization.

30047402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 30047402 is about 5481.5510578667. The cubic root of 30047402 is about 310.8868189596.

The spelling of 30047402 in words is "thirty million, forty-seven thousand, four hundred two".