75505354740 has 96 divisors (see below), whose sum is σ = 236984549760. Its totient is φ = 19956561408.

The previous prime is 75505354739. The next prime is 75505354751. The reversal of 75505354740 is 4745350557.

It is a happy number.

75505354740 is a `hidden beast` number, since 7 + 5 + 50 + 53 + 547 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 557674 + ... + 679713.

It is an arithmetic number, because the mean of its divisors is an integer number (2468589060).

Almost surely, 2^75505354740 is an apocalyptic number.

It is an amenable number.

75505354740 is an abundant number, since it is smaller than the sum of its proper divisors (161479195020).

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

75505354740 is a wasteful number, since it uses less digits than its factorization.

75505354740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237518 (or 1237510 counting only the distinct ones).

The product of its (nonzero) digits is 1470000, while the sum is 45.

The spelling of 75505354740 in words is "seventy-five billion, five hundred five million, three hundred fifty-four thousand, seven hundred forty".