75243452 has 6 divisors (see below), whose sum is σ = 131676048. Its totient is φ = 37621724.

The previous prime is 75243433. The next prime is 75243461. The reversal of 75243452 is 25434257.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9405428 + ... + 9405435.

It is an arithmetic number, because the mean of its divisors is an integer number (21946008).

Almost surely, 2^75243452 is an apocalyptic number.

It is an amenable number.

75243452 is a deficient number, since it is larger than the sum of its proper divisors (56432596).

75243452 is a wasteful number, since it uses less digits than its factorization.

75243452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18810867 (or 18810865 counting only the distinct ones).

The product of its digits is 33600, while the sum is 32.

The square root of 75243452 is about 8674.2983577924. The cubic root of 75243452 is about 422.1721406383.

The spelling of 75243452 in words is "seventy-five million, two hundred forty-three thousand, four hundred fifty-two".