7940535 has 16 divisors (see below), whose sum is σ = 12742656. Its totient is φ = 4222368.

The previous prime is 7940521. The next prime is 7940539. The reversal of 7940535 is 5350497.

It is not a de Polignac number, because 7940535 - 2⁵ = 7940503 is a prime.

7940535 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7940496 and 7940505.

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 15 ways as a sum of consecutive naturals, for example, 6762 + ... + 7848.

It is an arithmetic number, because the mean of its divisors is an integer number (796416).

Almost surely, 2^7940535 is an apocalyptic number.

7940535 is a deficient number, since it is larger than the sum of its proper divisors (4802121).

7940535 is a wasteful number, since it uses less digits than its factorization.

7940535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 7940535 is about 2817.8954913197. The cubic root of 7940535 is about 199.5032254301.

The spelling of 7940535 in words is "seven million, nine hundred forty thousand, five hundred thirty-five".