775060140 has 96 divisors (see below), whose sum is σ = 2272112640. Its totient is φ = 197164800.

The previous prime is 775060133. The next prime is 775060159. The reversal of 775060140 is 41060577.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 775060098 and 775060107.

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, 129126 + ... + 134994.

It is an arithmetic number, because the mean of its divisors is an integer number (23667840).

Almost surely, 2^775060140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 775060140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1136056320).

775060140 is an abundant number, since it is smaller than the sum of its proper divisors (1497052500).

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

775060140 is a wasteful number, since it uses less digits than its factorization.

775060140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5983 (or 5981 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 775060140 is about 27839.9019394825. The cubic root of 775060140 is about 918.5690340970.

The spelling of 775060140 in words is "seven hundred seventy-five million, sixty thousand, one hundred forty".