64716454 has 16 divisors (see below), whose sum is σ = 106666560. Its totient is φ = 29203560.

The previous prime is 64716403. The next prime is 64716473. The reversal of 64716454 is 45461746.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7524 + ... + 13639.

It is an arithmetic number, because the mean of its divisors is an integer number (6666660).

Almost surely, 2^64716454 is an apocalyptic number.

64716454 is a deficient number, since it is larger than the sum of its proper divisors (41950106).

64716454 is a wasteful number, since it uses less digits than its factorization.

64716454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21315.

The product of its digits is 80640, while the sum is 37.

The square root of 64716454 is about 8044.6537526484. The cubic root of 64716454 is about 401.4870771528.

The spelling of 64716454 in words is "sixty-four million, seven hundred sixteen thousand, four hundred fifty-four".