75074942 has 4 divisors (see below), whose sum is σ = 112612416. Its totient is φ = 37537470.

The previous prime is 75074929. The next prime is 75074953. The reversal of 75074942 is 24947057.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 75074896 and 75074905.

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, 18768734 + ... + 18768737.

It is an arithmetic number, because the mean of its divisors is an integer number (28153104).

Almost surely, 2^75074942 is an apocalyptic number.

75074942 is a deficient number, since it is larger than the sum of its proper divisors (37537474).

75074942 is a wasteful number, since it uses less digits than its factorization.

75074942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37537473.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 75074942 is about 8664.5797359133. The cubic root of 75074942 is about 421.8567492937.

The spelling of 75074942 in words is "seventy-five million, seventy-four thousand, nine hundred forty-two".