740634242 has 8 divisors (see below), whose sum is σ = 1114099596. Its totient is φ = 369267712.

The previous prime is 740634239. The next prime is 740634253. The reversal of 740634242 is 242436047.

It can be written as a sum of positive squares in 2 ways, for example, as 718722481 + 21911761 = 26809^2 + 4681^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 740634199 and 740634208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523823 + ... + 525234.

Almost surely, 2^740634242 is an apocalyptic number.

740634242 is a deficient number, since it is larger than the sum of its proper divisors (373465354).

740634242 is a wasteful number, since it uses less digits than its factorization.

740634242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049412.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 740634242 is about 27214.5961204645. The cubic root of 740634242 is about 904.7625078113.

The spelling of 740634242 in words is "seven hundred forty million, six hundred thirty-four thousand, two hundred forty-two".