64450746 has 12 divisors (see below), whose sum is σ = 139643322. Its totient is φ = 21483576.

The previous prime is 64450733. The next prime is 64450759. The reversal of 64450746 is 64705446.

64450746 is a `hidden beast` number, since 644 + 5 + 0 + 7 + 4 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (64450733) and next prime (64450759).

It can be written as a sum of positive squares in only one way, i.e., 39200121 + 25250625 = 6261^2 + 5025^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64450746.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1790281 + ... + 1790316.

Almost surely, 2^64450746 is an apocalyptic number.

64450746 is an abundant number, since it is smaller than the sum of its proper divisors (75192576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64450746 is a wasteful number, since it uses less digits than its factorization.

64450746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580605 (or 3580602 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 64450746 is about 8028.1221963794. The cubic root of 64450746 is about 400.9368581954.

The spelling of 64450746 in words is "sixty-four million, four hundred fifty thousand, seven hundred forty-six".