70433028 has 36 divisors (see below), whose sum is σ = 180484668. Its totient is φ = 23155200.

The previous prime is 70433021. The next prime is 70433029. The reversal of 70433028 is 82033407.

It can be written as a sum of positive squares in 2 ways, for example, as 31270464 + 39162564 = 5592^2 + 6258^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×70433028² = 9921622866497568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70432992 and 70433010.

It is not an unprimeable number, because it can be changed into a prime (70433021) 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, 10773 + ... + 16028.

It is an arithmetic number, because the mean of its divisors is an integer number (5013463).

Almost surely, 2^70433028 is an apocalyptic number.

It is an amenable number.

70433028 is an abundant number, since it is smaller than the sum of its proper divisors (110051640).

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

70433028 is a wasteful number, since it uses less digits than its factorization.

70433028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26884 (or 26879 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 70433028 is about 8392.4387397228. The cubic root of 70433028 is about 412.9766083365.

The spelling of 70433028 in words is "seventy million, four hundred thirty-three thousand, twenty-eight".