733340642 has 4 divisors (see below), whose sum is σ = 1100010966. Its totient is φ = 366670320.

The previous prime is 733340639. The next prime is 733340689. The reversal of 733340642 is 246043337.

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

It can be written as a sum of positive squares in only one way, i.e., 412536721 + 320803921 = 20311^2 + 17911^2 .

It is a junction number, because it is equal to n+sod(n) for n = 733340599 and 733340608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183335159 + ... + 183335162.

Almost surely, 2^733340642 is an apocalyptic number.

733340642 is a deficient number, since it is larger than the sum of its proper divisors (366670324).

733340642 is a wasteful number, since it uses less digits than its factorization.

733340642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366670323.

The product of its (nonzero) digits is 36288, while the sum is 32.

The square root of 733340642 is about 27080.2629603185. The cubic root of 733340642 is about 901.7827388101.

Adding to 733340642 its reverse (246043337), we get a palindrome (979383979).

The spelling of 733340642 in words is "seven hundred thirty-three million, three hundred forty thousand, six hundred forty-two".