30477044 has 24 divisors (see below), whose sum is σ = 57618120. Its totient is φ = 14022144.

The previous prime is 30477037. The next prime is 30477059. The reversal of 30477044 is 44077403.

It can be written as a sum of positive squares in 4 ways, for example, as 10316944 + 20160100 = 3212^2 + 4490^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30476998 and 30477016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20552 + ... + 21984.

It is an arithmetic number, because the mean of its divisors is an integer number (2400755).

Almost surely, 2^30477044 is an apocalyptic number.

It is an amenable number.

30477044 is a deficient number, since it is larger than the sum of its proper divisors (27141076).

30477044 is a wasteful number, since it uses less digits than its factorization.

30477044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859 (or 1857 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 30477044 is about 5520.6017787919. The cubic root of 30477044 is about 312.3615822187.

The spelling of 30477044 in words is "thirty million, four hundred seventy-seven thousand, forty-four".