742107771477 has 6 divisors (see below), whose sum is σ = 1071933447702. Its totient is φ = 494738514312.

The previous prime is 742107771409. The next prime is 742107771479. The reversal of 742107771477 is 774177701247.

742107771477 is a `hidden beast` number, since 7 + 421 + 0 + 7 + 77 + 147 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 741873865041 + 233906436 = 861321^2 + 15294^2 .

It is not a de Polignac number, because 742107771477 - 2¹² = 742107767381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742107771479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41228209518 + ... + 41228209535.

It is an arithmetic number, because the mean of its divisors is an integer number (178655574617).

Almost surely, 2^742107771477 is an apocalyptic number.

It is an amenable number.

742107771477 is a deficient number, since it is larger than the sum of its proper divisors (329825676225).

742107771477 is a wasteful number, since it uses less digits than its factorization.

742107771477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82456419059 (or 82456419056 counting only the distinct ones).

The product of its (nonzero) digits is 3764768, while the sum is 54.

The spelling of 742107771477 in words is "seven hundred forty-two billion, one hundred seven million, seven hundred seventy-one thousand, four hundred seventy-seven".