7940650 has 48 divisors (see below), whose sum is σ = 15713280. Its totient is φ = 2980800.

The previous prime is 7940641. The next prime is 7940663. The reversal of 7940650 is 560497.

It is a Harshad number since it is a multiple of its sum of digits (31).

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 23 ways as a sum of consecutive naturals, for example, 72796 + ... + 72904.

It is an arithmetic number, because the mean of its divisors is an integer number (327360).

Almost surely, 2^7940650 is an apocalyptic number.

7940650 is a deficient number, since it is larger than the sum of its proper divisors (7772630).

7940650 is a wasteful number, since it uses less digits than its factorization.

7940650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 7940650 is about 2817.9158965448. The cubic root of 7940650 is about 199.5041885373.

The spelling of 7940650 in words is "seven million, nine hundred forty thousand, six hundred fifty".