30745698 has 16 divisors (see below), whose sum is σ = 62358336. Its totient is φ = 10104080.

The previous prime is 30745691. The next prime is 30745751. The reversal of 30745698 is 89654703.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (30745691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35661 + ... + 36512.

It is an arithmetic number, because the mean of its divisors is an integer number (3897396).

Almost surely, 2^30745698 is an apocalyptic number.

30745698 is an abundant number, since it is smaller than the sum of its proper divisors (31612638).

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

30745698 is a wasteful number, since it uses less digits than its factorization.

30745698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72249.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 30745698 is about 5544.8803413599. The cubic root of 30745698 is about 313.2767170479.

The spelling of 30745698 in words is "thirty million, seven hundred forty-five thousand, six hundred ninety-eight".