70105742 has 8 divisors (see below), whose sum is σ = 120181296. Its totient is φ = 30045312.

The previous prime is 70105741. The next prime is 70105753. The reversal of 70105742 is 24750107.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×70105742² = 9829630122741128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70105741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2503763 + ... + 2503790.

It is an arithmetic number, because the mean of its divisors is an integer number (15022662).

Almost surely, 2^70105742 is an apocalyptic number.

70105742 is a deficient number, since it is larger than the sum of its proper divisors (50075554).

70105742 is a wasteful number, since it uses less digits than its factorization.

70105742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5007562.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 70105742 is about 8372.9171738409. The cubic root of 70105742 is about 412.3359460275.

Adding to 70105742 its reverse (24750107), we get a palindrome (94855849).

The spelling of 70105742 in words is "seventy million, one hundred five thousand, seven hundred forty-two".