75646400379 has 8 divisors (see below), whose sum is σ = 110031127872. Its totient is φ = 45846303240.

The previous prime is 75646400341. The next prime is 75646400381. The reversal of 75646400379 is 97300464657.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75646400379 - 2⁹ = 75646399867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75646400339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146157549 + ... + 1146157614.

It is an arithmetic number, because the mean of its divisors is an integer number (13753890984).

Almost surely, 2^75646400379 is an apocalyptic number.

75646400379 is a deficient number, since it is larger than the sum of its proper divisors (34384727493).

75646400379 is a wasteful number, since it uses less digits than its factorization.

75646400379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292315177.

The product of its (nonzero) digits is 3810240, while the sum is 51.

The spelling of 75646400379 in words is "seventy-five billion, six hundred forty-six million, four hundred thousand, three hundred seventy-nine".