30750720001 has 8 divisors (see below), whose sum is σ = 31580101224. Its totient is φ = 29925118080.

The previous prime is 30750719983. The next prime is 30750720037. The reversal of 30750720001 is 10002705703.

It can be written as a sum of positive squares in 4 ways, for example, as 12215025 + 30738504976 = 3495^2 + 175324^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30750720001 - 2²⁹ = 30213849089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30750720701) 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, 928330 + ... + 960883.

It is an arithmetic number, because the mean of its divisors is an integer number (3947512653).

Almost surely, 2^30750720001 is an apocalyptic number.

It is an amenable number.

30750720001 is a deficient number, since it is larger than the sum of its proper divisors (829381223).

30750720001 is a wasteful number, since it uses less digits than its factorization.

30750720001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889651.

The product of its (nonzero) digits is 1470, while the sum is 25.

The spelling of 30750720001 in words is "thirty billion, seven hundred fifty million, seven hundred twenty thousand, one".