4742940 has 48 divisors (see below), whose sum is σ = 13400352. Its totient is φ = 1253376.

The previous prime is 4742939. The next prime is 4742953. The reversal of 4742940 is 492474.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a d-powerful number, because it can be written as 4 + 7⁵ + 4⁴ + 2⁷ + 9⁶ + 4¹¹ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 4742898 and 4742907.

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 15 ways as a sum of consecutive naturals, for example, 7932 + ... + 8508.

It is an arithmetic number, because the mean of its divisors is an integer number (279174).

Almost surely, 2^4742940 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 4742940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6700176).

4742940 is an abundant number, since it is smaller than the sum of its proper divisors (8657412).

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

4742940 is a wasteful number, since it uses less digits than its factorization.

4742940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 4742940 is about 2177.8291944044. The cubic root of 4742940 is about 168.0154464256.

The spelling of 4742940 in words is "four million, seven hundred forty-two thousand, nine hundred forty".