64485733 has 8 divisors (see below), whose sum is σ = 69586776. Its totient is φ = 59404800.

The previous prime is 64485731. The next prime is 64485749. The reversal of 64485733 is 33758446.

It can be written as a sum of positive squares in 4 ways, for example, as 213444 + 64272289 = 462^2 + 8017^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64485733 - 2¹ = 64485731 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64485731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2013 + ... + 11533.

It is an arithmetic number, because the mean of its divisors is an integer number (8698347).

Almost surely, 2^64485733 is an apocalyptic number.

It is an amenable number.

64485733 is a deficient number, since it is larger than the sum of its proper divisors (5101043).

64485733 is a wasteful number, since it uses less digits than its factorization.

64485733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10055.

The product of its digits is 241920, while the sum is 40.

The square root of 64485733 is about 8030.3009283588. The cubic root of 64485733 is about 401.0093944147.

The spelling of 64485733 in words is "sixty-four million, four hundred eighty-five thousand, seven hundred thirty-three".