30672565 has 16 divisors (see below), whose sum is σ = 45889920. Its totient is φ = 19120320.

The previous prime is 30672559. The next prime is 30672571. The reversal of 30672565 is 56527603.

It is an interprime number because it is at equal distance from previous prime (30672559) and next prime (30672571).

It is not a de Polignac number, because 30672565 - 2¹⁹ = 30148277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30672565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39450 + ... + 40219.

It is an arithmetic number, because the mean of its divisors is an integer number (2868120).

Almost surely, 2^30672565 is an apocalyptic number.

30672565 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30672565 is a deficient number, since it is larger than the sum of its proper divisors (15217355).

30672565 is a wasteful number, since it uses less digits than its factorization.

30672565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79692.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 30672565 is about 5538.2817732578. The cubic root of 30672565 is about 313.0281288197.

The spelling of 30672565 in words is "thirty million, six hundred seventy-two thousand, five hundred sixty-five".