742405570 has 16 divisors (see below), whose sum is σ = 1342069560. Its totient is φ = 295686784.

The previous prime is 742405567. The next prime is 742405571. The reversal of 742405570 is 75504247.

It can be written as a sum of positive squares in 4 ways, for example, as 597949209 + 144456361 = 24453^2 + 12019^2 .

It is not an unprimeable number, because it can be changed into a prime (742405571) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 156985 + ... + 161644.

Almost surely, 2^742405570 is an apocalyptic number.

742405570 is a deficient number, since it is larger than the sum of its proper divisors (599663990).

742405570 is a wasteful number, since it uses less digits than its factorization.

742405570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318869.

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 742405570 is about 27247.1203983100. The cubic root of 742405570 is about 905.4832212802.

The spelling of 742405570 in words is "seven hundred forty-two million, four hundred five thousand, five hundred seventy".