30700069 has 4 divisors (see below), whose sum is σ = 30750444. Its totient is φ = 30649696.

The previous prime is 30700063. The next prime is 30700081. The reversal of 30700069 is 96000703.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 592900 + 30107169 = 770^2 + 5487^2 .

It is a cyclic number.

It is not a de Polignac number, because 30700069 - 2⁵ = 30700037 is a prime.

It is a super-2 number, since 2×30700069² = 1884988473209522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30700063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24262 + ... + 25495.

It is an arithmetic number, because the mean of its divisors is an integer number (7687611).

Almost surely, 2^30700069 is an apocalyptic number.

It is an amenable number.

30700069 is a deficient number, since it is larger than the sum of its proper divisors (50375).

30700069 is an equidigital number, since it uses as much as digits as its factorization.

30700069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50374.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 30700069 is about 5540.7642974593. The cubic root of 30700069 is about 313.1216646723.

The spelling of 30700069 in words is "thirty million, seven hundred thousand, sixty-nine".