5042730 has 128 divisors (see below), whose sum is σ = 15759360. Its totient is φ = 1002240.

The previous prime is 5042729. The next prime is 5042749. The reversal of 5042730 is 372405.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 5042697 and 5042706.

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 63 ways as a sum of consecutive naturals, for example, 85441 + ... + 85499.

It is an arithmetic number, because the mean of its divisors is an integer number (123120).

Almost surely, 2^5042730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5042730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7879680).

5042730 is an abundant number, since it is smaller than the sum of its proper divisors (10716630).

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

5042730 is a wasteful number, since it uses less digits than its factorization.

5042730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 5042730 is about 2245.6023690761. The cubic root of 5042730 is about 171.4833287378.

The spelling of 5042730 in words is "five million, forty-two thousand, seven hundred thirty".