75407042 has 8 divisors (see below), whose sum is σ = 113202576. Its totient is φ = 37672852.

The previous prime is 75407027. The next prime is 75407071. The reversal of 75407042 is 24070457.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 75406996 and 75407014.

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, 12128 + ... + 17259.

It is an arithmetic number, because the mean of its divisors is an integer number (14150322).

Almost surely, 2^75407042 is an apocalyptic number.

75407042 is a deficient number, since it is larger than the sum of its proper divisors (37795534).

75407042 is a wasteful number, since it uses less digits than its factorization.

75407042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30672.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 75407042 is about 8683.7228191600. The cubic root of 75407042 is about 422.4778733321.

Adding to 75407042 its reverse (24070457), we get a palindrome (99477499).

The spelling of 75407042 in words is "seventy-five million, four hundred seven thousand, forty-two".