30757045 has 8 divisors (see below), whose sum is σ = 40263840. Its totient is φ = 22368720.

The previous prime is 30757037. The next prime is 30757057. The reversal of 30757045 is 54075703.

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

It is not a de Polignac number, because 30757045 - 2³ = 30757037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30756998 and 30757016.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 279555 + ... + 279664.

It is an arithmetic number, because the mean of its divisors is an integer number (5032980).

Almost surely, 2^30757045 is an apocalyptic number.

It is an amenable number.

30757045 is a deficient number, since it is larger than the sum of its proper divisors (9506795).

30757045 is a wasteful number, since it uses less digits than its factorization.

30757045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559235.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 30757045 is about 5545.9034430830. The cubic root of 30757045 is about 313.3152515847.

The spelling of 30757045 in words is "thirty million, seven hundred fifty-seven thousand, forty-five".