70072807 has 4 divisors (see below), whose sum is σ = 80083216. Its totient is φ = 60062400.

The previous prime is 70072801. The next prime is 70072829. The reversal of 70072807 is 70827007.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70072807 - 2³ = 70072799 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 (70072801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005194 + ... + 5005207.

It is an arithmetic number, because the mean of its divisors is an integer number (20020804).

Almost surely, 2^70072807 is an apocalyptic number.

70072807 is a deficient number, since it is larger than the sum of its proper divisors (10010409).

70072807 is a wasteful number, since it uses less digits than its factorization.

70072807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010408.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 70072807 is about 8370.9501850148. The cubic root of 70072807 is about 412.2713654326.

The spelling of 70072807 in words is "seventy million, seventy-two thousand, eight hundred seven".