75428022 has 16 divisors (see below), whose sum is σ = 155722752. Its totient is φ = 24331560.

The previous prime is 75428011. The next prime is 75428029. The reversal of 75428022 is 22082457.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75428029) 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, 202578 + ... + 202949.

It is an arithmetic number, because the mean of its divisors is an integer number (9732672).

Almost surely, 2^75428022 is an apocalyptic number.

75428022 is an abundant number, since it is smaller than the sum of its proper divisors (80294730).

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

75428022 is a wasteful number, since it uses less digits than its factorization.

75428022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405563.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 75428022 is about 8684.9307423836. The cubic root of 75428022 is about 422.5170507690.

The spelling of 75428022 in words is "seventy-five million, four hundred twenty-eight thousand, twenty-two".