744429687 has 4 divisors (see below), whose sum is σ = 992572920. Its totient is φ = 496286456.

The previous prime is 744429619. The next prime is 744429713. The reversal of 744429687 is 786924447.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 744429687 - 2⁷ = 744429559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744429607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124071612 + ... + 124071617.

It is an arithmetic number, because the mean of its divisors is an integer number (248143230).

Almost surely, 2^744429687 is an apocalyptic number.

744429687 is a deficient number, since it is larger than the sum of its proper divisors (248143233).

744429687 is a wasteful number, since it uses less digits than its factorization.

744429687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248143232.

The product of its digits is 2709504, while the sum is 51.

The square root of 744429687 is about 27284.2388019164. The cubic root of 744429687 is about 906.3053868202.

The spelling of 744429687 in words is "seven hundred forty-four million, four hundred twenty-nine thousand, six hundred eighty-seven".