64354005 has 12 divisors (see below), whose sum is σ = 111547020. Its totient is φ = 34322112.

The previous prime is 64353983. The next prime is 64354019. The reversal of 64354005 is 50045346.

It can be written as a sum of positive squares in 2 ways, for example, as 22867524 + 41486481 = 4782^2 + 6441^2 .

It is not a de Polignac number, because 64354005 - 2⁸ = 64353749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64354005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 715000 + ... + 715089.

It is an arithmetic number, because the mean of its divisors is an integer number (9295585).

Almost surely, 2^64354005 is an apocalyptic number.

It is an amenable number.

64354005 is a deficient number, since it is larger than the sum of its proper divisors (47193015).

64354005 is a wasteful number, since it uses less digits than its factorization.

64354005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430100 (or 1430097 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 64354005 is about 8022.0948012349. The cubic root of 64354005 is about 400.7361547759.

It can be divided in two parts, 6435 and 4005, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 64354005 in words is "sixty-four million, three hundred fifty-four thousand, five".