30452738 has 8 divisors (see below), whose sum is σ = 45779580. Its totient is φ = 15192880.

The previous prime is 30452689. The next prime is 30452749. The reversal of 30452738 is 83725403.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24137569 + 6315169 = 4913^2 + 2513^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15593 + ... + 17436.

Almost surely, 2^30452738 is an apocalyptic number.

30452738 is a deficient number, since it is larger than the sum of its proper divisors (15326842).

30452738 is a wasteful number, since it uses less digits than its factorization.

30452738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33492.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 30452738 is about 5518.3999492607. The cubic root of 30452738 is about 312.2785221092.

The spelling of 30452738 in words is "thirty million, four hundred fifty-two thousand, seven hundred thirty-eight".