75242012 has 12 divisors (see below), whose sum is σ = 131871096. Its totient is φ = 37564560.

The previous prime is 75242003. The next prime is 75242023. The reversal of 75242012 is 21024257.

It is a happy number.

It is a super-2 number, since 2×75242012² = 11322720739616288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11039 + ... + 16502.

It is an arithmetic number, because the mean of its divisors is an integer number (10989258).

Almost surely, 2^75242012 is an apocalyptic number.

It is an amenable number.

75242012 is a deficient number, since it is larger than the sum of its proper divisors (56629084).

75242012 is a wasteful number, since it uses less digits than its factorization.

75242012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28228 (or 28226 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 75242012 is about 8674.2153535637. The cubic root of 75242012 is about 422.1694474615.

Adding to 75242012 its reverse (21024257), we get a palindrome (96266269).

The spelling of 75242012 in words is "seventy-five million, two hundred forty-two thousand, twelve".