7640374 has 24 divisors (see below), whose sum is σ = 13592448. Its totient is φ = 3210480.

The previous prime is 7640371. The next prime is 7640377. The reversal of 7640374 is 4730467.

It is an interprime number because it is at equal distance from previous prime (7640371) and next prime (7640377).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7640371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4459 + ... + 5929.

It is an arithmetic number, because the mean of its divisors is an integer number (566352).

Almost surely, 2^7640374 is an apocalyptic number.

7640374 is a deficient number, since it is larger than the sum of its proper divisors (5952074).

7640374 is a wasteful number, since it uses less digits than its factorization.

7640374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 7640374 is about 2764.1226456147. The cubic root of 7640374 is about 196.9570538626.

The spelling of 7640374 in words is "seven million, six hundred forty thousand, three hundred seventy-four".