742534426 has 16 divisors (see below), whose sum is σ = 1155241800. Its totient is φ = 357652800.

The previous prime is 742534409. The next prime is 742534427. The reversal of 742534426 is 624435247.

It can be written as a sum of positive squares in 4 ways, for example, as 660541401 + 81993025 = 25701^2 + 9055^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (742534427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42201 + ... + 57148.

Almost surely, 2^742534426 is an apocalyptic number.

742534426 is a deficient number, since it is larger than the sum of its proper divisors (412707374).

742534426 is a wasteful number, since it uses less digits than its factorization.

742534426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99489.

The product of its digits is 161280, while the sum is 37.

The square root of 742534426 is about 27249.4848758651. The cubic root of 742534426 is about 905.5356051348.

The spelling of 742534426 in words is "seven hundred forty-two million, five hundred thirty-four thousand, four hundred twenty-six".