30734545 has 8 divisors (see below), whose sum is σ = 37486440. Its totient is φ = 24184320.

The previous prime is 30734503. The next prime is 30734563. The reversal of 30734545 is 54543703.

It can be written as a sum of positive squares in 4 ways, for example, as 528529 + 30206016 = 727^2 + 5496^2 .

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

It is not a de Polignac number, because 30734545 - 2¹⁷ = 30603473 is a prime.

It is a super-2 number, since 2×30734545² = 1889224512714050, which contains 22 as substring.

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, 50080 + ... + 50689.

It is an arithmetic number, because the mean of its divisors is an integer number (4685805).

Almost surely, 2^30734545 is an apocalyptic number.

It is an amenable number.

30734545 is a deficient number, since it is larger than the sum of its proper divisors (6751895).

30734545 is a wasteful number, since it uses less digits than its factorization.

30734545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100835.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 30734545 is about 5543.8745476427. The cubic root of 30734545 is about 313.2388320969.

It can be divided in two parts, 307 and 34545, that multiplied together give a triangular number (10605315 = T₄₆₀₅).

The spelling of 30734545 in words is "thirty million, seven hundred thirty-four thousand, five hundred forty-five".