70134870 has 32 divisors (see below), whose sum is σ = 181272672. Its totient is φ = 17263872.

The previous prime is 70134859. The next prime is 70134881. The reversal of 70134870 is 7843107.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70134859) and next prime (70134881).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 89527 + ... + 90306.

It is an arithmetic number, because the mean of its divisors is an integer number (5664771).

Almost surely, 2^70134870 is an apocalyptic number.

70134870 is an abundant number, since it is smaller than the sum of its proper divisors (111137802).

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

70134870 is a wasteful number, since it uses less digits than its factorization.

70134870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179856.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 70134870 is about 8374.6564108625. The cubic root of 70134870 is about 412.3930448141.

Adding to 70134870 its reverse (7843107), we get a palindrome (77977977).

It can be divided in two parts, 70 and 134870, that added together give a triangular number (134940 = T₅₁₉).

The spelling of 70134870 in words is "seventy million, one hundred thirty-four thousand, eight hundred seventy".