75122630 has 16 divisors (see below), whose sum is σ = 147513744. Its totient is φ = 27317280.

The previous prime is 75122629. The next prime is 75122653. The reversal of 75122630 is 3622157.

It is a self number, because there is not a number n which added to its sum of digits gives 75122630.

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, 341357 + ... + 341576.

It is an arithmetic number, because the mean of its divisors is an integer number (9219609).

Almost surely, 2^75122630 is an apocalyptic number.

75122630 is a deficient number, since it is larger than the sum of its proper divisors (72391114).

75122630 is a wasteful number, since it uses less digits than its factorization.

75122630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682951.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 75122630 is about 8667.3311924721. The cubic root of 75122630 is about 421.9460522668.

Adding to 75122630 its reverse (3622157), we get a palindrome (78744787).

The spelling of 75122630 in words is "seventy-five million, one hundred twenty-two thousand, six hundred thirty".