75450342 has 32 divisors (see below), whose sum is σ = 169933824. Its totient is φ = 22125600.

The previous prime is 75450341. The next prime is 75450343. The reversal of 75450342 is 24305457.

It is an interprime number because it is at equal distance from previous prime (75450341) and next prime (75450343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75450341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16393 + ... + 20484.

It is an arithmetic number, because the mean of its divisors is an integer number (5310432).

Almost surely, 2^75450342 is an apocalyptic number.

75450342 is an abundant number, since it is smaller than the sum of its proper divisors (94483482).

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

75450342 is a wasteful number, since it uses less digits than its factorization.

75450342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36924.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 75450342 is about 8686.2156316776. The cubic root of 75450342 is about 422.5587225079.

Adding to 75450342 its reverse (24305457), we get a palindrome (99755799).

The spelling of 75450342 in words is "seventy-five million, four hundred fifty thousand, three hundred forty-two".