30678714 has 24 divisors (see below), whose sum is σ = 72513792. Its totient is φ = 9296520.

The previous prime is 30678707. The next prime is 30678721. The reversal of 30678714 is 41787603.

It is an interprime number because it is at equal distance from previous prime (30678707) and next prime (30678721).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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, 77274 + ... + 77669.

It is an arithmetic number, because the mean of its divisors is an integer number (3021408).

Almost surely, 2^30678714 is an apocalyptic number.

30678714 is an abundant number, since it is smaller than the sum of its proper divisors (41835078).

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

30678714 is a wasteful number, since it uses less digits than its factorization.

30678714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154962 (or 154959 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 30678714 is about 5538.8368815122. The cubic root of 30678714 is about 313.0490452462.

Subtracting 30678714 from its reverse (41787603), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 3067 and 8714, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 30678714 in words is "thirty million, six hundred seventy-eight thousand, seven hundred fourteen".