75228102 has 20 divisors (see below), whose sum is σ = 168567036. Its totient is φ = 25075980.

The previous prime is 75228053. The next prime is 75228107. The reversal of 75228102 is 20182257.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75228107) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 232024 + ... + 232347.

Almost surely, 2^75228102 is an apocalyptic number.

75228102 is an abundant number, since it is smaller than the sum of its proper divisors (93338934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75228102 is a wasteful number, since it uses less digits than its factorization.

75228102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464385 (or 464376 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 75228102 is about 8673.4135148741. The cubic root of 75228102 is about 422.1434303523.

The spelling of 75228102 in words is "seventy-five million, two hundred twenty-eight thousand, one hundred two".