70135970 has 32 divisors (see below), whose sum is σ = 133920000. Its totient is φ = 26389440.

The previous prime is 70135951. The next prime is 70135997. The reversal of 70135970 is 7953107.

It is a Curzon 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, 11531 + ... + 16529.

It is an arithmetic number, because the mean of its divisors is an integer number (4185000).

Almost surely, 2^70135970 is an apocalyptic number.

70135970 is a deficient number, since it is larger than the sum of its proper divisors (63784030).

70135970 is a wasteful number, since it uses less digits than its factorization.

70135970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5090.

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 70135970 is about 8374.7220849411. The cubic root of 70135970 is about 412.3952008029.

The spelling of 70135970 in words is "seventy million, one hundred thirty-five thousand, nine hundred seventy".