30678034 has 16 divisors (see below), whose sum is σ = 47646720. Its totient is φ = 14798880.

The previous prime is 30678019. The next prime is 30678061. The reversal of 30678034 is 43087603.

It is a super-2 number, since 2×30678034² = 1882283540210312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 30677987 and 30678005.

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, 29182 + ... + 30214.

It is an arithmetic number, because the mean of its divisors is an integer number (2977920).

Almost surely, 2^30678034 is an apocalyptic number.

30678034 is a deficient number, since it is larger than the sum of its proper divisors (16968686).

30678034 is a wasteful number, since it uses less digits than its factorization.

30678034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 30678034 is about 5538.7754964432. The cubic root of 30678034 is about 313.0467322970.

The spelling of 30678034 in words is "thirty million, six hundred seventy-eight thousand, thirty-four".