75373404313 has 4 divisors (see below), whose sum is σ = 75390184548. Its totient is φ = 75356624080.

The previous prime is 75373404307. The next prime is 75373404343. The reversal of 75373404313 is 31340437357.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44414298009 + 30959106304 = 210747^2 + 175952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75373404313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75373404343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8383378 + ... + 8392363.

It is an arithmetic number, because the mean of its divisors is an integer number (18847546137).

Almost surely, 2^75373404313 is an apocalyptic number.

It is an amenable number.

75373404313 is a deficient number, since it is larger than the sum of its proper divisors (16780235).

75373404313 is a wasteful number, since it uses less digits than its factorization.

75373404313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16780234.

The product of its (nonzero) digits is 317520, while the sum is 40.

The spelling of 75373404313 in words is "seventy-five billion, three hundred seventy-three million, four hundred four thousand, three hundred thirteen".