70364521 has 8 divisors (see below), whose sum is σ = 74669760. Its totient is φ = 66163152.

The previous prime is 70364509. The next prime is 70364533. The reversal of 70364521 is 12546307.

It is an interprime number because it is at equal distance from previous prime (70364509) and next prime (70364533).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70364521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70364521.

It is not an unprimeable number, because it can be changed into a prime (70364501) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24570 + ... + 27283.

It is an arithmetic number, because the mean of its divisors is an integer number (9333720).

Almost surely, 2^70364521 is an apocalyptic number.

It is an amenable number.

70364521 is a deficient number, since it is larger than the sum of its proper divisors (4305239).

70364521 is a wasteful number, since it uses less digits than its factorization.

70364521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51935.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 70364521 is about 8388.3562752186. The cubic root of 70364521 is about 412.8426703864.

The spelling of 70364521 in words is "seventy million, three hundred sixty-four thousand, five hundred twenty-one".