747675747540 has 36 divisors (see below), whose sum is σ = 2267949768084. Its totient is φ = 199380199296.

The previous prime is 747675747529. The next prime is 747675747587. The reversal of 747675747540 is 45747576747.

It is a happy number.

747675747540 is a `hidden beast` number, since 7 + 4 + 7 + 6 + 7 + 574 + 7 + 54 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 127179250884 + 620496496656 = 356622^2 + 787716^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2076876897 + ... + 2076877256.

It is an arithmetic number, because the mean of its divisors is an integer number (62998604669).

Almost surely, 2^747675747540 is an apocalyptic number.

It is an amenable number.

747675747540 is an abundant number, since it is smaller than the sum of its proper divisors (1520274020544).

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

747675747540 is a wasteful number, since it uses less digits than its factorization.

747675747540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4153754168 (or 4153754163 counting only the distinct ones).

The product of its (nonzero) digits is 161347200, while the sum is 63.

The spelling of 747675747540 in words is "seven hundred forty-seven billion, six hundred seventy-five million, seven hundred forty-seven thousand, five hundred forty".