30745797 has 8 divisors (see below), whose sum is σ = 41020320. Its totient is φ = 20484240.

The previous prime is 30745787. The next prime is 30745807. The reversal of 30745797 is 79754703.

It is an interprime number because it is at equal distance from previous prime (30745787) and next prime (30745807).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30745797 - 2⁷ = 30745669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30745787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6354 + ... + 10092.

It is an arithmetic number, because the mean of its divisors is an integer number (5127540).

Almost surely, 2^30745797 is an apocalyptic number.

It is an amenable number.

30745797 is a deficient number, since it is larger than the sum of its proper divisors (10274523).

30745797 is a wasteful number, since it uses less digits than its factorization.

30745797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6483.

The product of its (nonzero) digits is 185220, while the sum is 42.

The square root of 30745797 is about 5544.8892685066. The cubic root of 30745797 is about 313.2770532940.

The spelling of 30745797 in words is "thirty million, seven hundred forty-five thousand, seven hundred ninety-seven".