7940052 has 48 divisors (see below), whose sum is σ = 21152320. Its totient is φ = 2573856.

The previous prime is 7940047. The next prime is 7940063. The reversal of 7940052 is 2500497.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 7939998 and 7940025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3003 + ... + 4989.

Almost surely, 2^7940052 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 7940052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10576160).

7940052 is an abundant number, since it is smaller than the sum of its proper divisors (13212268).

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

7940052 is a wasteful number, since it uses less digits than its factorization.

7940052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037 (or 2029 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 7940052 is about 2817.8097877607. The cubic root of 7940052 is about 199.4991802782.

The spelling of 7940052 in words is "seven million, nine hundred forty thousand, fifty-two".