742353133 has 4 divisors (see below), whose sum is σ = 752522428. Its totient is φ = 732183840.

The previous prime is 742353121. The next prime is 742353137. The reversal of 742353133 is 331353247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331353247 = 223 ⋅1485889.

It can be written as a sum of positive squares in 2 ways, for example, as 196056004 + 546297129 = 14002^2 + 23373^2 .

It is a cyclic number.

It is not a de Polignac number, because 742353133 - 2²¹ = 740255981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742353095 and 742353104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742353137) 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, 5084538 + ... + 5084683.

It is an arithmetic number, because the mean of its divisors is an integer number (188130607).

Almost surely, 2^742353133 is an apocalyptic number.

742353133 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

742353133 is a deficient number, since it is larger than the sum of its proper divisors (10169295).

742353133 is a wasteful number, since it uses less digits than its factorization.

742353133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10169294.

The product of its digits is 22680, while the sum is 31.

The square root of 742353133 is about 27246.1581328451. The cubic root of 742353133 is about 905.4619023213.

The spelling of 742353133 in words is "seven hundred forty-two million, three hundred fifty-three thousand, one hundred thirty-three".