742244984531 has 8 divisors (see below), whose sum is σ = 777090721680. Its totient is φ = 708015986272.

The previous prime is 742244984527. The next prime is 742244984581. The reversal of 742244984531 is 135489442247.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 742244984531 - 2² = 742244984527 is a prime.

It is a super-2 number, since 2×742244984531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742244984581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154182260 + ... + 154187073.

It is an arithmetic number, because the mean of its divisors is an integer number (97136340210).

Almost surely, 2^742244984531 is an apocalyptic number.

742244984531 is a deficient number, since it is larger than the sum of its proper divisors (34845737149).

742244984531 is a wasteful number, since it uses less digits than its factorization.

742244984531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308369445.

The product of its digits is 7741440, while the sum is 53.

The spelling of 742244984531 in words is "seven hundred forty-two billion, two hundred forty-four million, nine hundred eighty-four thousand, five hundred thirty-one".