75331478207 has 16 divisors (see below), whose sum is σ = 78350624352. Its totient is φ = 72369454080.

The previous prime is 75331478197. The next prime is 75331478221. The reversal of 75331478207 is 70287413357.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75331478207 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 (75331478237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13229453 + ... + 13235145.

It is an arithmetic number, because the mean of its divisors is an integer number (4896914022).

Almost surely, 2^75331478207 is an apocalyptic number.

75331478207 is a deficient number, since it is larger than the sum of its proper divisors (3019146145).

75331478207 is a wasteful number, since it uses less digits than its factorization.

75331478207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10618.

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 75331478207 in words is "seventy-five billion, three hundred thirty-one million, four hundred seventy-eight thousand, two hundred seven".