6464750 has 32 divisors (see below), whose sum is σ = 12748320. Its totient is φ = 2448000.

The previous prime is 6464747. The next prime is 6464753. The reversal of 6464750 is 574646.

It is an interprime number because it is at equal distance from previous prime (6464747) and next prime (6464753).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464753) 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, 4070 + ... + 5430.

It is an arithmetic number, because the mean of its divisors is an integer number (398385).

Almost surely, 2^6464750 is an apocalyptic number.

6464750 is a deficient number, since it is larger than the sum of its proper divisors (6283570).

6464750 is a wasteful number, since it uses less digits than its factorization.

6464750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 6464750 is about 2542.5872649724. The cubic root of 6464750 is about 186.2875845656.

The spelling of 6464750 in words is "six million, four hundred sixty-four thousand, seven hundred fifty".