742872 has 32 divisors (see below), whose sum is σ = 2000880. Its totient is φ = 228480.

The previous prime is 742817. The next prime is 742891. The reversal of 742872 is 278247.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 879 + ... + 1502.

2⁷⁴²⁸⁷² is an apocalyptic number.

It is an amenable number.

742872 is an abundant number, since it is smaller than the sum of its proper divisors (1258008).

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

742872 is a wasteful number, since it uses less digits than its factorization.

742872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403 (or 2399 counting only the distinct ones).

The product of its digits is 6272, while the sum is 30.

The square root of 742872 is about 861.9002262443. The cubic root of 742872 is about 90.5672810429.

The spelling of 742872 in words is "seven hundred forty-two thousand, eight hundred seventy-two".