742776998 has 8 divisors (see below), whose sum is σ = 1144278192. Its totient is φ = 361350936.

The previous prime is 742776997. The next prime is 742777027. The reversal of 742776998 is 899677247.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742776997) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5018690 + ... + 5018837.

It is an arithmetic number, because the mean of its divisors is an integer number (143034774).

Almost surely, 2^742776998 is an apocalyptic number.

742776998 is a deficient number, since it is larger than the sum of its proper divisors (401501194).

742776998 is a wasteful number, since it uses less digits than its factorization.

742776998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10037566.

The product of its digits is 10668672, while the sum is 59.

The square root of 742776998 is about 27253.9354589388. The cubic root of 742776998 is about 905.6342015366.

The spelling of 742776998 in words is "seven hundred forty-two million, seven hundred seventy-six thousand, nine hundred ninety-eight".