7640914 has 4 divisors (see below), whose sum is σ = 11461374. Its totient is φ = 3820456.

The previous prime is 7640909. The next prime is 7640929. The reversal of 7640914 is 4190467.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4862025 + 2778889 = 2205^2 + 1667^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1910227 + ... + 1910230.

Almost surely, 2^7640914 is an apocalyptic number.

7640914 is a deficient number, since it is larger than the sum of its proper divisors (3820460).

7640914 is a wasteful number, since it uses less digits than its factorization.

7640914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820459.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 7640914 is about 2764.2203240697. The cubic root of 7640914 is about 196.9616938755.

The spelling of 7640914 in words is "seven million, six hundred forty thousand, nine hundred fourteen".