75506142 has 16 divisors (see below), whose sum is σ = 155884032. Its totient is φ = 24356760.

The previous prime is 75506131. The next prime is 75506147. The reversal of 75506142 is 24160557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75506147) 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, 202788 + ... + 203159.

It is an arithmetic number, because the mean of its divisors is an integer number (9742752).

Almost surely, 2^75506142 is an apocalyptic number.

75506142 is an abundant number, since it is smaller than the sum of its proper divisors (80377890).

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

75506142 is a wasteful number, since it uses less digits than its factorization.

75506142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405983.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 75506142 is about 8689.4270236880. The cubic root of 75506142 is about 422.6628659125.

Adding to 75506142 its reverse (24160557), we get a palindrome (99666699).

The spelling of 75506142 in words is "seventy-five million, five hundred six thousand, one hundred forty-two".