70115232 has 96 divisors (see below), whose sum is σ = 203986944. Its totient is φ = 20908800.

The previous prime is 70115203. The next prime is 70115233. The reversal of 70115232 is 23251107.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×70115232² = 9832291516827648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70115199 and 70115208.

It is not an unprimeable number, because it can be changed into a prime (70115233) 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, 70257 + ... + 71247.

It is an arithmetic number, because the mean of its divisors is an integer number (2124864).

Almost surely, 2^70115232 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 70115232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101993472).

70115232 is an abundant number, since it is smaller than the sum of its proper divisors (133871712).

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

70115232 is a wasteful number, since it uses less digits than its factorization.

70115232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 70115232 is about 8373.4838627658. The cubic root of 70115232 is about 412.3545507402.

Adding to 70115232 its reverse (23251107), we get a palindrome (93366339).

The spelling of 70115232 in words is "seventy million, one hundred fifteen thousand, two hundred thirty-two".