80070645 has 8 divisors (see below), whose sum is σ = 128113056. Its totient is φ = 42704336.

The previous prime is 80070643. The next prime is 80070647. The reversal of 80070645 is 54607008.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80070643) and next prime (80070647).

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

It is a cyclic number.

It is not a de Polignac number, because 80070645 - 2¹ = 80070643 is a prime.

It is a super-2 number, since 2×80070645² = 12822616381432050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80070643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2669007 + ... + 2669036.

It is an arithmetic number, because the mean of its divisors is an integer number (16014132).

Almost surely, 2^80070645 is an apocalyptic number.

It is an amenable number.

80070645 is a deficient number, since it is larger than the sum of its proper divisors (48042411).

80070645 is a wasteful number, since it uses less digits than its factorization.

80070645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5338051.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 80070645 is about 8948.2202140984. The cubic root of 80070645 is about 431.0137340563.

The spelling of 80070645 in words is "eighty million, seventy thousand, six hundred forty-five".