30740788 has 24 divisors (see below), whose sum is σ = 60455808. Its totient is φ = 13570656.

The previous prime is 30740771. The next prime is 30740789. The reversal of 30740788 is 88704703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30740789) 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, 11656 + ... + 14047.

It is an arithmetic number, because the mean of its divisors is an integer number (2518992).

Almost surely, 2^30740788 is an apocalyptic number.

It is an amenable number.

30740788 is a deficient number, since it is larger than the sum of its proper divisors (29715020).

30740788 is a wasteful number, since it uses less digits than its factorization.

30740788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25743 (or 25741 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 30740788 is about 5544.4375729194. The cubic root of 30740788 is about 313.2600396950.

The spelling of 30740788 in words is "thirty million, seven hundred forty thousand, seven hundred eighty-eight".