70071087 has 8 divisors (see below), whose sum is σ = 97490304. Its totient is φ = 44682968.

The previous prime is 70071049. The next prime is 70071103. The reversal of 70071087 is 78017007.

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 70071087 - 2⁸ = 70070831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70078087) 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, 507693 + ... + 507830.

It is an arithmetic number, because the mean of its divisors is an integer number (12186288).

Almost surely, 2^70071087 is an apocalyptic number.

70071087 is a deficient number, since it is larger than the sum of its proper divisors (27419217).

70071087 is a wasteful number, since it uses less digits than its factorization.

70071087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015549.

The product of its (nonzero) digits is 2744, while the sum is 30.

The square root of 70071087 is about 8370.8474481381. The cubic root of 70071087 is about 412.2679922146.

The spelling of 70071087 in words is "seventy million, seventy-one thousand, eighty-seven".