30730436 has 12 divisors (see below), whose sum is σ = 58667280. Its totient is φ = 13968360.

The previous prime is 30730417. The next prime is 30730451. The reversal of 30730436 is 63403703.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349166 + ... + 349253.

It is an arithmetic number, because the mean of its divisors is an integer number (4888940).

Almost surely, 2^30730436 is an apocalyptic number.

It is an amenable number.

30730436 is a deficient number, since it is larger than the sum of its proper divisors (27936844).

30730436 is a wasteful number, since it uses less digits than its factorization.

30730436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698434 (or 698432 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 30730436 is about 5543.5039460616. The cubic root of 30730436 is about 313.2248721730.

The spelling of 30730436 in words is "thirty million, seven hundred thirty thousand, four hundred thirty-six".