70330032 has 60 divisors (see below), whose sum is σ = 204127560. Its totient is φ = 23442048.

The previous prime is 70330031. The next prime is 70330061. The reversal of 70330032 is 23003307.

It is a super-2 number, since 2×70330032² = 9892626802242048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 70329987 and 70330014.

It is not an unprimeable number, because it can be changed into a prime (70330031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5157 + ... + 12932.

It is an arithmetic number, because the mean of its divisors is an integer number (3402126).

Almost surely, 2^70330032 is an apocalyptic number.

70330032 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

70330032 is an abundant number, since it is smaller than the sum of its proper divisors (133797528).

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

70330032 is a wasteful number, since it uses less digits than its factorization.

70330032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18112 (or 18094 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 18.

The square root of 70330032 is about 8386.3002569667. The cubic root of 70330032 is about 412.7752080838.

Adding to 70330032 its reverse (23003307), we get a palindrome (93333339).

The spelling of 70330032 in words is "seventy million, three hundred thirty thousand, thirty-two".