742827737 has 4 divisors (see below), whose sum is σ = 742895076. Its totient is φ = 742760400.

The previous prime is 742827719. The next prime is 742827823. The reversal of 742827737 is 737728247.

It is a happy number.

742827737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 737728247 = 1867 ⋅395141.

It can be written as a sum of positive squares in 2 ways, for example, as 541074121 + 201753616 = 23261^2 + 14204^2 .

It is a cyclic number.

It is not a de Polignac number, because 742827737 - 2²² = 738633433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742827691 and 742827700.

It is not an unprimeable number, because it can be changed into a prime (742827707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12818 + ... + 40619.

It is an arithmetic number, because the mean of its divisors is an integer number (185723769).

Almost surely, 2^742827737 is an apocalyptic number.

It is an amenable number.

742827737 is a deficient number, since it is larger than the sum of its proper divisors (67339).

742827737 is a wasteful number, since it uses less digits than its factorization.

742827737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67338.

The product of its digits is 921984, while the sum is 47.

The square root of 742827737 is about 27254.8662994336. The cubic root of 742827737 is about 905.6548223185.

The spelling of 742827737 in words is "seven hundred forty-two million, eight hundred twenty-seven thousand, seven hundred thirty-seven".