69964245 has 48 divisors (see below), whose sum is σ = 133831152. Its totient is φ = 33592320.

The previous prime is 69964199. The next prime is 69964259. The reversal of 69964245 is 54246996.

It can be written as a sum of positive squares in 8 ways, for example, as 2099601 + 67864644 = 1449^2 + 8238^2 .

It is not a de Polignac number, because 69964245 - 2¹⁰ = 69963221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 69964245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22527 + ... + 25443.

It is an arithmetic number, because the mean of its divisors is an integer number (2788149).

Almost surely, 2^69964245 is an apocalyptic number.

69964245 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

69964245 is a deficient number, since it is larger than the sum of its proper divisors (63866907).

69964245 is a wasteful number, since it uses less digits than its factorization.

69964245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982 (or 2979 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 69964245 is about 8364.4632224668. The cubic root of 69964245 is about 412.0583482417.

The spelling of 69964245 in words is "sixty-nine million, nine hundred sixty-four thousand, two hundred forty-five".