75343036957 has 4 divisors (see below), whose sum is σ = 77773457536. Its totient is φ = 72912616380.

The previous prime is 75343036949. The next prime is 75343036961. The reversal of 75343036957 is 75963034357.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75343036957 - 2³ = 75343036949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75343036987) 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, 1215210243 + ... + 1215210304.

It is an arithmetic number, because the mean of its divisors is an integer number (19443364384).

Almost surely, 2^75343036957 is an apocalyptic number.

It is an amenable number.

75343036957 is a deficient number, since it is larger than the sum of its proper divisors (2430420579).

75343036957 is a wasteful number, since it uses less digits than its factorization.

75343036957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430420578.

The product of its (nonzero) digits is 7144200, while the sum is 52.

The spelling of 75343036957 in words is "seventy-five billion, three hundred forty-three million, thirty-six thousand, nine hundred fifty-seven".