742887771 has 8 divisors (see below), whose sum is σ = 991026960. Its totient is φ = 495003552.

The previous prime is 742887757. The next prime is 742887773. The reversal of 742887771 is 177788247.

742887771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 742887771 - 2¹⁸ = 742625627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (742887773) 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, 56836 + ... + 68673.

It is an arithmetic number, because the mean of its divisors is an integer number (123878370).

Almost surely, 2^742887771 is an apocalyptic number.

742887771 is a deficient number, since it is larger than the sum of its proper divisors (248139189).

742887771 is a wasteful number, since it uses less digits than its factorization.

742887771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127485.

The product of its digits is 1229312, while the sum is 51.

The square root of 742887771 is about 27255.9676217888. The cubic root of 742887771 is about 905.6792194585.

The spelling of 742887771 in words is "seven hundred forty-two million, eight hundred eighty-seven thousand, seven hundred seventy-one".