7640338 has 8 divisors (see below), whose sum is σ = 11473920. Its totient is φ = 3815700.

The previous prime is 7640333. The next prime is 7640341. The reversal of 7640338 is 8330467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (7640333) 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, 643 + ... + 3961.

It is an arithmetic number, because the mean of its divisors is an integer number (1434240).

Almost surely, 2^7640338 is an apocalyptic number.

7640338 is a deficient number, since it is larger than the sum of its proper divisors (3833582).

7640338 is a wasteful number, since it uses less digits than its factorization.

7640338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 7640338 is about 2764.1161335950. The cubic root of 7640338 is about 196.9567445206.

The spelling of 7640338 in words is "seven million, six hundred forty thousand, three hundred thirty-eight".