742669776 has 40 divisors (see below), whose sum is σ = 2131738560. Its totient is φ = 247556448.

The previous prime is 742669751. The next prime is 742669831. The reversal of 742669776 is 677966247.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859140 + ... + 860003.

It is an arithmetic number, because the mean of its divisors is an integer number (53293464).

Almost surely, 2^742669776 is an apocalyptic number.

It is an amenable number.

742669776 is an abundant number, since it is smaller than the sum of its proper divisors (1389068784).

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

742669776 is a wasteful number, since it uses less digits than its factorization.

742669776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719160 (or 1719148 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 54.

The square root of 742669776 is about 27251.9682958864. The cubic root of 742669776 is about 905.5906224707.

The spelling of 742669776 in words is "seven hundred forty-two million, six hundred sixty-nine thousand, seven hundred seventy-six".