70135470 has 40 divisors (see below), whose sum is σ = 188588664. Its totient is φ = 18702576.

The previous prime is 70135469. The next prime is 70135493. The reversal of 70135470 is 7453107.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 42484 + ... + 44103.

Almost surely, 2^70135470 is an apocalyptic number.

70135470 is an abundant number, since it is smaller than the sum of its proper divisors (118453194).

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

70135470 is a wasteful number, since it uses less digits than its factorization.

70135470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86606 (or 86597 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 70135470 is about 8374.6922331510. The cubic root of 70135470 is about 412.3942208108.

Adding to 70135470 its reverse (7453107), we get a palindrome (77588577).

The spelling of 70135470 in words is "seventy million, one hundred thirty-five thousand, four hundred seventy".