30489074 has 24 divisors (see below), whose sum is σ = 58038768. Its totient is φ = 11878440.

The previous prime is 30489061. The next prime is 30489079. The reversal of 30489074 is 47098403.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30489079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13064 + ... + 15219.

It is an arithmetic number, because the mean of its divisors is an integer number (2418282).

Almost surely, 2^30489074 is an apocalyptic number.

30489074 is a deficient number, since it is larger than the sum of its proper divisors (27549694).

30489074 is a wasteful number, since it uses less digits than its factorization.

30489074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28310 (or 28303 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 30489074 is about 5521.6912264269. The cubic root of 30489074 is about 312.4026756126.

The spelling of 30489074 in words is "thirty million, four hundred eighty-nine thousand, seventy-four".