64743496 has 16 divisors (see below), whose sum is σ = 121737600. Its totient is φ = 32280144.

The previous prime is 64743491. The next prime is 64743517. The reversal of 64743496 is 69434746.

It is not an unprimeable number, because it can be changed into a prime (64743491) 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, 8400 + ... + 14143.

It is an arithmetic number, because the mean of its divisors is an integer number (7608600).

Almost surely, 2^64743496 is an apocalyptic number.

It is an amenable number.

64743496 is a deficient number, since it is larger than the sum of its proper divisors (56994104).

64743496 is a wasteful number, since it uses less digits than its factorization.

64743496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22908 (or 22904 counting only the distinct ones).

The product of its digits is 435456, while the sum is 43.

The square root of 64743496 is about 8046.3343206705. The cubic root of 64743496 is about 401.5429902990.

The spelling of 64743496 in words is "sixty-four million, seven hundred forty-three thousand, four hundred ninety-six".