70229705 has 16 divisors (see below), whose sum is σ = 103724544. Its totient is φ = 44452800.

The previous prime is 70229701. The next prime is 70229743. The reversal of 70229705 is 50792207.

It is not a de Polignac number, because 70229705 - 2² = 70229701 is a prime.

It is a super-2 number, since 2×70229705² = 9864422928774050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70229701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76721 + ... + 77630.

It is an arithmetic number, because the mean of its divisors is an integer number (6482784).

Almost surely, 2^70229705 is an apocalyptic number.

It is an amenable number.

70229705 is a deficient number, since it is larger than the sum of its proper divisors (33494839).

70229705 is a wasteful number, since it uses less digits than its factorization.

70229705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154376.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 70229705 is about 8380.3165214686. The cubic root of 70229705 is about 412.5788377016.

The spelling of 70229705 in words is "seventy million, two hundred twenty-nine thousand, seven hundred five".