742705233 has 8 divisors (see below), whose sum is σ = 1011343488. Its totient is φ = 484601904.

The previous prime is 742705177. The next prime is 742705241. The reversal of 742705233 is 332507247.

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

It is not a de Polignac number, because 742705233 - 2¹⁶ = 742639697 is a prime.

It is a super-2 number, since 2×742705233² = 1103222126251168578, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 742705194 and 742705203.

It is not an unprimeable number, because it can be changed into a prime (742705133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2633566 + ... + 2633847.

It is an arithmetic number, because the mean of its divisors is an integer number (126417936).

Almost surely, 2^742705233 is an apocalyptic number.

It is an amenable number.

742705233 is a deficient number, since it is larger than the sum of its proper divisors (268638255).

742705233 is a wasteful number, since it uses less digits than its factorization.

742705233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267463.

The product of its (nonzero) digits is 35280, while the sum is 33.

The square root of 742705233 is about 27252.6188282888. The cubic root of 742705233 is about 905.6050339973.

The spelling of 742705233 in words is "seven hundred forty-two million, seven hundred five thousand, two hundred thirty-three".