30894974 has 16 divisors (see below), whose sum is σ = 50924160. Its totient is φ = 13940760.

The previous prime is 30894971. The next prime is 30894977. The reversal of 30894974 is 47949803.

It is an interprime number because it is at equal distance from previous prime (30894971) and next prime (30894977).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30894971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1994 + ... + 8109.

It is an arithmetic number, because the mean of its divisors is an integer number (3182760).

Almost surely, 2^30894974 is an apocalyptic number.

30894974 is a deficient number, since it is larger than the sum of its proper divisors (20029186).

30894974 is a wasteful number, since it uses less digits than its factorization.

30894974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10255.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 30894974 is about 5558.3247476196. The cubic root of 30894974 is about 313.7829040162.

The spelling of 30894974 in words is "thirty million, eight hundred ninety-four thousand, nine hundred seventy-four".