7940536 has 16 divisors (see below), whose sum is σ = 14954400. Its totient is φ = 3952704.

The previous prime is 7940521. The next prime is 7940539. The reversal of 7940536 is 6350497.

It is a super-2 number, since 2×7940536² = 126104223934592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7940539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165 + ... + 3988.

It is an arithmetic number, because the mean of its divisors is an integer number (934650).

Almost surely, 2^7940536 is an apocalyptic number.

It is an amenable number.

7940536 is a deficient number, since it is larger than the sum of its proper divisors (7013864).

7940536 is a wasteful number, since it uses less digits than its factorization.

7940536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4398 (or 4394 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 7940536 is about 2817.8956687571. The cubic root of 7940536 is about 199.5032338050.

The spelling of 7940536 in words is "seven million, nine hundred forty thousand, five hundred thirty-six".