775047130 has 32 divisors (see below), whose sum is σ = 1638983808. Its totient is φ = 260155200.

The previous prime is 775047121. The next prime is 775047131. The reversal of 775047130 is 31740577.

It is not an unprimeable number, because it can be changed into a prime (775047131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269566 + ... + 272425.

It is an arithmetic number, because the mean of its divisors is an integer number (51218244).

Almost surely, 2^775047130 is an apocalyptic number.

775047130 is an abundant number, since it is smaller than the sum of its proper divisors (863936678).

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

775047130 is a wasteful number, since it uses less digits than its factorization.

775047130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542022.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 775047130 is about 27839.6682810697. The cubic root of 775047130 is about 918.5638944313.

It can be divided in two parts, 775047 and 130, that multiplied together give a triangular number (100756110 = T₁₄₁₉₅).

The spelling of 775047130 in words is "seven hundred seventy-five million, forty-seven thousand, one hundred thirty".