30725694 has 24 divisors (see below), whose sum is σ = 66701232. Its totient is φ = 10222080.

The previous prime is 30725659. The next prime is 30725699. The reversal of 30725694 is 49652703.

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 alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30725699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10207 + ... + 12869.

It is an arithmetic number, because the mean of its divisors is an integer number (2779218).

Almost surely, 2^30725694 is an apocalyptic number.

30725694 is an abundant number, since it is smaller than the sum of its proper divisors (35975538).

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

30725694 is a wasteful number, since it uses less digits than its factorization.

30725694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312 (or 3309 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 30725694 is about 5543.0762217383. The cubic root of 30725694 is about 313.2087601470.

The spelling of 30725694 in words is "thirty million, seven hundred twenty-five thousand, six hundred ninety-four".