75313030 has 16 divisors (see below), whose sum is σ = 145991664. Its totient is φ = 27807840.

The previous prime is 75313003. The next prime is 75313033. The reversal of 75313030 is 3031357.

It is a junction number, because it is equal to n+sod(n) for n = 75312992 and 75313010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75313033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289536 + ... + 289795.

It is an arithmetic number, because the mean of its divisors is an integer number (9124479).

Almost surely, 2^75313030 is an apocalyptic number.

75313030 is a deficient number, since it is larger than the sum of its proper divisors (70678634).

75313030 is a wasteful number, since it uses less digits than its factorization.

75313030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579351.

The product of its (nonzero) digits is 945, while the sum is 22.

The square root of 75313030 is about 8678.3080148149. The cubic root of 75313030 is about 422.3022287855.

Adding to 75313030 its reverse (3031357), we get a palindrome (78344387).

The spelling of 75313030 in words is "seventy-five million, three hundred thirteen thousand, thirty".