75575252740 has 24 divisors (see below), whose sum is σ = 170916341400. Its totient is φ = 27904708608.

The previous prime is 75575252707. The next prime is 75575252791. The reversal of 75575252740 is 4725257557.

It can be written as a sum of positive squares in 4 ways, for example, as 3231467716 + 72343785024 = 56846^2 + 268968^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145336765 + ... + 145337284.

It is an arithmetic number, because the mean of its divisors is an integer number (7121514225).

Almost surely, 2^75575252740 is an apocalyptic number.

It is an amenable number.

75575252740 is an abundant number, since it is smaller than the sum of its proper divisors (95341088660).

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

75575252740 is a wasteful number, since it uses less digits than its factorization.

75575252740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290674071 (or 290674069 counting only the distinct ones).

The product of its (nonzero) digits is 3430000, while the sum is 49.

The spelling of 75575252740 in words is "seventy-five billion, five hundred seventy-five million, two hundred fifty-two thousand, seven hundred forty".