30730045 has 8 divisors (see below), whose sum is σ = 37013760. Its totient is φ = 24492240.

The previous prime is 30730013. The next prime is 30730061. The reversal of 30730045 is 54003703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30730045 - 2⁵ = 30730013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30729998 and 30730025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9985 + ... + 12694.

It is an arithmetic number, because the mean of its divisors is an integer number (4626720).

Almost surely, 2^30730045 is an apocalyptic number.

It is an amenable number.

30730045 is a deficient number, since it is larger than the sum of its proper divisors (6283715).

30730045 is a wasteful number, since it uses less digits than its factorization.

30730045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22955.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 30730045 is about 5543.4686794461. The cubic root of 30730045 is about 313.2235437241.

Adding to 30730045 its reverse (54003703), we get a palindrome (84733748).

It can be divided in two parts, 3073004 and 5, that added together give a square (3073009 = 1753²).

The spelling of 30730045 in words is "thirty million, seven hundred thirty thousand, forty-five".