75214072946 has 4 divisors (see below), whose sum is σ = 112821109422. Its totient is φ = 37607036472.

The previous prime is 75214072943. The next prime is 75214072951. The reversal of 75214072946 is 64927041257.

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

It can be written as a sum of positive squares in only one way, i.e., 63725448721 + 11488624225 = 252439^2 + 107185^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75214072946.

It is not an unprimeable number, because it can be changed into a prime (75214072943) 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 as a sum of consecutive naturals, namely, 18803518235 + ... + 18803518238.

Almost surely, 2^75214072946 is an apocalyptic number.

75214072946 is a deficient number, since it is larger than the sum of its proper divisors (37607036476).

75214072946 is a wasteful number, since it uses less digits than its factorization.

75214072946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37607036475.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 75214072946 in words is "seventy-five billion, two hundred fourteen million, seventy-two thousand, nine hundred forty-six".