7140671477 has 4 divisors (see below), whose sum is σ = 7333662636. Its totient is φ = 6947680320.

The previous prime is 7140671459. The next prime is 7140671501. The reversal of 7140671477 is 7741760417.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6656275396 + 484396081 = 81586^2 + 22009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7140671477 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 (7140671677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96495524 + ... + 96495597.

It is an arithmetic number, because the mean of its divisors is an integer number (1833415659).

Almost surely, 2^7140671477 is an apocalyptic number.

It is an amenable number.

7140671477 is a deficient number, since it is larger than the sum of its proper divisors (192991159).

7140671477 is a wasteful number, since it uses less digits than its factorization.

7140671477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192991158.

The product of its (nonzero) digits is 230496, while the sum is 44.

The square root of 7140671477 is about 84502.4939099433. The cubic root of 7140671477 is about 1925.6603324754.

The spelling of 7140671477 in words is "seven billion, one hundred forty million, six hundred seventy-one thousand, four hundred seventy-seven".