30478674 has 16 divisors (see below), whose sum is σ = 61729920. Its totient is φ = 10030800.

The previous prime is 30478663. The next prime is 30478691. The reversal of 30478674 is 47687403.

It is a happy number.

It is a Curzon 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, 31677 + ... + 32624.

It is an arithmetic number, because the mean of its divisors is an integer number (3858120).

Almost surely, 2^30478674 is an apocalyptic number.

30478674 is an abundant number, since it is smaller than the sum of its proper divisors (31251246).

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

30478674 is a wasteful number, since it uses less digits than its factorization.

30478674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64385.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 30478674 is about 5520.7494056514. The cubic root of 30478674 is about 312.3671507848.

The spelling of 30478674 in words is "thirty million, four hundred seventy-eight thousand, six hundred seventy-four".