64373465 has 8 divisors (see below), whose sum is σ = 83190408. Its totient is φ = 47537280.

The previous prime is 64373443. The next prime is 64373471. The reversal of 64373465 is 56437346.

It can be written as a sum of positive squares in 4 ways, for example, as 2468041 + 61905424 = 1571^2 + 7868^2 .

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

It is not a de Polignac number, because 64373465 - 2⁶ = 64373401 is a prime.

It is a super-2 number, since 2×64373465² = 8287885992212450, which contains 22 as substring.

It is a Duffinian 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, 495116 + ... + 495245.

It is an arithmetic number, because the mean of its divisors is an integer number (10398801).

Almost surely, 2^64373465 is an apocalyptic number.

64373465 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

64373465 is a deficient number, since it is larger than the sum of its proper divisors (18816943).

64373465 is a wasteful number, since it uses less digits than its factorization.

64373465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990379.

The product of its digits is 181440, while the sum is 38.

The square root of 64373465 is about 8023.3076097081. The cubic root of 64373465 is about 400.7765435580.

The spelling of 64373465 in words is "sixty-four million, three hundred seventy-three thousand, four hundred sixty-five".