70370532 has 60 divisors (see below), whose sum is σ = 188277936. Its totient is φ = 22906800.

The previous prime is 70370519. The next prime is 70370533. The reversal of 70370532 is 23507307.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 70370496 and 70370505.

It is not an unprimeable number, because it can be changed into a prime (70370533) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 11407 + ... + 16457.

Almost surely, 2^70370532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70370532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94138968).

70370532 is an abundant number, since it is smaller than the sum of its proper divisors (117907404).

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

70370532 is a wasteful number, since it uses less digits than its factorization.

70370532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110 (or 5099 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 70370532 is about 8388.7145618384. The cubic root of 70370532 is about 412.8544259634.

Adding to 70370532 its reverse (23507307), we get a palindrome (93877839).

The spelling of 70370532 in words is "seventy million, three hundred seventy thousand, five hundred thirty-two".