70107534 has 72 divisors (see below), whose sum is σ = 178675848. Its totient is φ = 19807200.

The previous prime is 70107491. The next prime is 70107539. The reversal of 70107534 is 43570107.

It is a super-2 number, since 2×70107534² = 9830132647122312, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70107498 and 70107507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70107539) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 88689 + ... + 89475.

It is an arithmetic number, because the mean of its divisors is an integer number (2481609).

Almost surely, 2^70107534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70107534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89337924).

70107534 is an abundant number, since it is smaller than the sum of its proper divisors (108568314).

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

70107534 is a wasteful number, since it uses less digits than its factorization.

70107534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 900 counting only the distinct ones).

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

The square root of 70107534 is about 8373.0241848450. The cubic root of 70107534 is about 412.3394592904.

The spelling of 70107534 in words is "seventy million, one hundred seven thousand, five hundred thirty-four".