742437224 has 16 divisors (see below), whose sum is σ = 1406422500. Its totient is φ = 367391232.

The previous prime is 742437193. The next prime is 742437247. The reversal of 742437224 is 422734247.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 741472900 + 964324 = 27230^2 + 982^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477599 + ... + 479150.

Almost surely, 2^742437224 is an apocalyptic number.

It is an amenable number.

742437224 is a deficient number, since it is larger than the sum of its proper divisors (663985276).

742437224 is a wasteful number, since it uses less digits than its factorization.

742437224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956852 (or 956848 counting only the distinct ones).

The product of its digits is 75264, while the sum is 35.

The square root of 742437224 is about 27247.7012608403. The cubic root of 742437224 is about 905.4960901485.

The spelling of 742437224 in words is "seven hundred forty-two million, four hundred thirty-seven thousand, two hundred twenty-four".