75400806740 has 24 divisors (see below), whose sum is σ = 180961936512. Its totient is φ = 25851705120.

The previous prime is 75400806731. The next prime is 75400806763. The reversal of 75400806740 is 4760800457.

It is a congruent number.

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, 269288456 + ... + 269288735.

It is an arithmetic number, because the mean of its divisors is an integer number (7540080688).

Almost surely, 2^75400806740 is an apocalyptic number.

75400806740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

75400806740 is an abundant number, since it is smaller than the sum of its proper divisors (105561129772).

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

75400806740 is a wasteful number, since it uses less digits than its factorization.

75400806740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538577207 (or 538577205 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 75400806740 in words is "seventy-five billion, four hundred million, eight hundred six thousand, seven hundred forty".