75023630 has 24 divisors (see below), whose sum is σ = 148437576. Its totient is φ = 27280880.

The previous prime is 75023629. The next prime is 75023639. The reversal of 75023630 is 3632057.

It is a self number, because there is not a number n which added to its sum of digits gives 75023630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75023639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29792 + ... + 32211.

It is an arithmetic number, because the mean of its divisors is an integer number (6184899).

Almost surely, 2^75023630 is an apocalyptic number.

75023630 is a deficient number, since it is larger than the sum of its proper divisors (73413946).

75023630 is a wasteful number, since it uses less digits than its factorization.

75023630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62032 (or 62021 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 75023630 is about 8661.6182090877. The cubic root of 75023630 is about 421.7606175867.

Adding to 75023630 its reverse (3632057), we get a palindrome (78655687).

The spelling of 75023630 in words is "seventy-five million, twenty-three thousand, six hundred thirty".