30713045 has 16 divisors (see below), whose sum is σ = 40531968. Its totient is φ = 22155840.

The previous prime is 30713041. The next prime is 30713057. The reversal of 30713045 is 54031703.

It is a happy number.

It is not a de Polignac number, because 30713045 - 2² = 30713041 is a prime.

It is a super-2 number, since 2×30713045² = 1886582266344050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30713045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30713041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4787 + ... + 9183.

It is an arithmetic number, because the mean of its divisors is an integer number (2533248).

Almost surely, 2^30713045 is an apocalyptic number.

It is an amenable number.

30713045 is a deficient number, since it is larger than the sum of its proper divisors (9818923).

30713045 is a wasteful number, since it uses less digits than its factorization.

30713045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4540.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 30713045 is about 5541.9351313418. The cubic root of 30713045 is about 313.1657741759.

Adding to 30713045 its reverse (54031703), we get a palindrome (84744748).

It can be divided in two parts, 3071 and 3045, that added together give a palindrome (6116).

The spelling of 30713045 in words is "thirty million, seven hundred thirteen thousand, forty-five".