70115370 has 128 divisors (see below), whose sum is σ = 192132864. Its totient is φ = 16257024.

The previous prime is 70115369. The next prime is 70115387. The reversal of 70115370 is 7351107.

It is a super-2 number, since 2×70115370² = 9832330220473800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70115370.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 620434 + ... + 620546.

It is an arithmetic number, because the mean of its divisors is an integer number (1501038).

Almost surely, 2^70115370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70115370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96066432).

70115370 is an abundant number, since it is smaller than the sum of its proper divisors (122017494).

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

70115370 is a wasteful number, since it uses less digits than its factorization.

70115370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216.

The product of its (nonzero) digits is 735, while the sum is 24.

The square root of 70115370 is about 8373.4921030595. The cubic root of 70115370 is about 412.3548212705.

Adding to 70115370 its reverse (7351107), we get a palindrome (77466477).

It can be divided in two parts, 70 and 115370, that added together give a triangular number (115440 = T₄₈₀).

The spelling of 70115370 in words is "seventy million, one hundred fifteen thousand, three hundred seventy".