70071000 has 64 divisors (see below), whose sum is σ = 218630880. Its totient is φ = 18684800.

The previous prime is 70070981. The next prime is 70071011. The reversal of 70071000 is 17007.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8679 + ... + 14678.

Almost surely, 2^70071000 is an apocalyptic number.

It is an amenable number.

70071000 is an abundant number, since it is smaller than the sum of its proper divisors (148559880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70071000 is a wasteful number, since it uses less digits than its factorization.

70071000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23381 (or 23367 counting only the distinct ones).

The product of its (nonzero) digits is 49, while the sum is 15.

The square root of 70071000 is about 8370.8422515300. The cubic root of 70071000 is about 412.2678215911.

Adding to 70071000 its reverse (17007), we get a palindrome (70088007).

The spelling of 70071000 in words is "seventy million, seventy-one thousand".