7040530477 has 8 divisors (see below), whose sum is σ = 7314573240. Its totient is φ = 6768572160.

The previous prime is 7040530457. The next prime is 7040530489. The reversal of 7040530477 is 7740350407.

It can be written as a sum of positive squares in 4 ways, for example, as 2113332841 + 4927197636 = 45971^2 + 70194^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-7040530477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7040530457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514224 + ... + 527737.

It is an arithmetic number, because the mean of its divisors is an integer number (914321655).

Almost surely, 2^7040530477 is an apocalyptic number.

It is an amenable number.

7040530477 is a deficient number, since it is larger than the sum of its proper divisors (274042763).

7040530477 is a wasteful number, since it uses less digits than its factorization.

7040530477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042223.

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 7040530477 is about 83907.8689814013. The cubic root of 7040530477 is about 1916.6160805939.

The spelling of 7040530477 in words is "seven billion, forty million, five hundred thirty thousand, four hundred seventy-seven".