75457101020 has 48 divisors (see below), whose sum is σ = 181203583680. Its totient is φ = 25855785984.

The previous prime is 75457101019. The next prime is 75457101043. The reversal of 75457101020 is 2010175457.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81572 + ... + 396948.

It is an arithmetic number, because the mean of its divisors is an integer number (3775074660).

Almost surely, 2^75457101020 is an apocalyptic number.

75457101020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

75457101020 is an abundant number, since it is smaller than the sum of its proper divisors (105746482660).

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

75457101020 is a wasteful number, since it uses less digits than its factorization.

75457101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317102 (or 317100 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

Adding to 75457101020 its reverse (2010175457), we get a palindrome (77467276477).

The spelling of 75457101020 in words is "seventy-five billion, four hundred fifty-seven million, one hundred one thousand, twenty".