30747069 has 12 divisors (see below), whose sum is σ = 44480956. Its totient is φ = 20466432.

The previous prime is 30747061. The next prime is 30747103. The reversal of 30747069 is 96074703.

It can be written as a sum of positive squares in 2 ways, for example, as 6125625 + 24621444 = 2475^2 + 4962^2 .

It is not a de Polignac number, because 30747069 - 2³ = 30747061 is a prime.

It is a super-2 number, since 2×30747069² = 1890764504181522, 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 (30747061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4557 + ... + 9069.

Almost surely, 2^30747069 is an apocalyptic number.

It is an amenable number.

30747069 is a deficient number, since it is larger than the sum of its proper divisors (13733887).

30747069 is a wasteful number, since it uses less digits than its factorization.

30747069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276 (or 5273 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 30747069 is about 5545.0039675369. The cubic root of 30747069 is about 313.2813734825.

The spelling of 30747069 in words is "thirty million, seven hundred forty-seven thousand, sixty-nine".