30640795 has 4 divisors (see below), whose sum is σ = 36768960. Its totient is φ = 24512632.

The previous prime is 30640781. The next prime is 30640823. The reversal of 30640795 is 59704603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59704603 = 7 ⋅8529229.

It is a cyclic number.

It is not a de Polignac number, because 30640795 - 2⁵ = 30640763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30640795.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3064075 + ... + 3064084.

It is an arithmetic number, because the mean of its divisors is an integer number (9192240).

Almost surely, 2^30640795 is an apocalyptic number.

30640795 is a deficient number, since it is larger than the sum of its proper divisors (6128165).

30640795 is an equidigital number, since it uses as much as digits as its factorization.

30640795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6128164.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 30640795 is about 5535.4128120674. The cubic root of 30640795 is about 312.9200154921.

The spelling of 30640795 in words is "thirty million, six hundred forty thousand, seven hundred ninety-five".