75406046740 has 24 divisors (see below), whose sum is σ = 158497094952. Its totient is φ = 30134914560.

The previous prime is 75406046713. The next prime is 75406046741. The reversal of 75406046740 is 4764060457.

It can be written as a sum of positive squares in 4 ways, for example, as 14867412624 + 60538634116 = 121932^2 + 246046^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75406046741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1696521 + ... + 1740400.

It is an arithmetic number, because the mean of its divisors is an integer number (6604045623).

Almost surely, 2^75406046740 is an apocalyptic number.

It is an amenable number.

75406046740 is an abundant number, since it is smaller than the sum of its proper divisors (83091048212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75406046740 is a wasteful number, since it uses less digits than its factorization.

75406046740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438027 (or 3438025 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 75406046740 in words is "seventy-five billion, four hundred six million, forty-six thousand, seven hundred forty".