30278034 has 24 divisors (see below), whose sum is σ = 65837772. Its totient is φ = 10056480.

The previous prime is 30277981. The next prime is 30278057. The reversal of 30278034 is 43087203.

It can be written as a sum of positive squares in 2 ways, for example, as 28037025 + 2241009 = 5295^2 + 1497^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30277989 and 30278007.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2404 + ... + 8144.

Almost surely, 2^30278034 is an apocalyptic number.

30278034 is an abundant number, since it is smaller than the sum of its proper divisors (35559738).

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

30278034 is a wasteful number, since it uses less digits than its factorization.

30278034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6042 (or 6039 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 30278034 is about 5502.5479552658. The cubic root of 30278034 is about 311.6802073419.

The spelling of 30278034 in words is "thirty million, two hundred seventy-eight thousand, thirty-four".