742992 has 40 divisors (see below), whose sum is σ = 2005824. Its totient is φ = 236544.

The previous prime is 742991. The next prime is 742993. The reversal of 742992 is 299247.

It is an interprime number because it is at equal distance from previous prime (742991) and next prime (742993).

It is a super-2 number, since 2×742992² = 1104074224128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768 + ... + 1440.

2⁷⁴²⁹⁹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1002912).

742992 is an abundant number, since it is smaller than the sum of its proper divisors (1262832).

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

742992 is a wasteful number, since it uses less digits than its factorization.

742992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 701 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 742992 is about 861.9698370593. The cubic root of 742992 is about 90.5721573826.

The spelling of 742992 in words is "seven hundred forty-two thousand, nine hundred ninety-two".