75212298061 has 4 divisors (see below), whose sum is σ = 75213284832. Its totient is φ = 75211311292.

The previous prime is 75212298043. The next prime is 75212298097. The reversal of 75212298061 is 16089221257.

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 a de Polignac number, because none of the positive numbers 2^k-75212298061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75212297999 and 75212298017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75212298461) 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, 368521 + ... + 535006.

It is an arithmetic number, because the mean of its divisors is an integer number (18803321208).

Almost surely, 2^75212298061 is an apocalyptic number.

It is an amenable number.

75212298061 is a deficient number, since it is larger than the sum of its proper divisors (986771).

75212298061 is an equidigital number, since it uses as much as digits as its factorization.

75212298061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986770.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 75212298061 in words is "seventy-five billion, two hundred twelve million, two hundred ninety-eight thousand, sixty-one".