70320653 has 16 divisors (see below), whose sum is σ = 84409920. Its totient is φ = 57874176.

The previous prime is 70320647. The next prime is 70320659. The reversal of 70320653 is 35602307.

It is an interprime number because it is at equal distance from previous prime (70320647) and next prime (70320659).

It is a cyclic number.

It is not a de Polignac number, because 70320653 - 2⁶ = 70320589 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 (70320659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4175 + ... + 12572.

It is an arithmetic number, because the mean of its divisors is an integer number (5275620).

Almost surely, 2^70320653 is an apocalyptic number.

It is an amenable number.

70320653 is a deficient number, since it is larger than the sum of its proper divisors (14089267).

70320653 is a wasteful number, since it uses less digits than its factorization.

70320653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16796.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 70320653 is about 8385.7410525248. The cubic root of 70320653 is about 412.7568584510.

The spelling of 70320653 in words is "seventy million, three hundred twenty thousand, six hundred fifty-three".