30745299 has 32 divisors (see below), whose sum is σ = 47416320. Its totient is φ = 17551872.

The previous prime is 30745289. The next prime is 30745327. The reversal of 30745299 is 99254703.

It is not a de Polignac number, because 30745299 - 2⁴ = 30745283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (30745279) 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 31 ways as a sum of consecutive naturals, for example, 52084 + ... + 52670.

It is an arithmetic number, because the mean of its divisors is an integer number (1481760).

Almost surely, 2^30745299 is an apocalyptic number.

30745299 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

30745299 is a deficient number, since it is larger than the sum of its proper divisors (16671021).

30745299 is a wasteful number, since it uses less digits than its factorization.

30745299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 30745299 is about 5544.8443621079. The cubic root of 30745299 is about 313.2753618670.

The spelling of 30745299 in words is "thirty million, seven hundred forty-five thousand, two hundred ninety-nine".