742746 has 8 divisors (see below), whose sum is σ = 1485504. Its totient is φ = 247580.

The previous prime is 742723. The next prime is 742757. The reversal of 742746 is 647247.

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

742746 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 742746.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 61890 + ... + 61901.

It is an arithmetic number, because the mean of its divisors is an integer number (185688).

2⁷⁴²⁷⁴⁶ is an apocalyptic number.

742746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742746 is a wasteful number, since it uses less digits than its factorization.

742746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123796.

The product of its digits is 9408, while the sum is 30.

The square root of 742746 is about 861.8271288373. The cubic root of 742746 is about 90.5621603211.

The spelling of 742746 in words is "seven hundred forty-two thousand, seven hundred forty-six".