70533632 has 40 divisors (see below), whose sum is σ = 151784556. Its totient is φ = 32550912.

The previous prime is 70533613. The next prime is 70533721. The reversal of 70533632 is 23633507.

It can be written as a sum of positive squares in 2 ways, for example, as 54405376 + 16128256 = 7376^2 + 4016^2 .

It is a super-2 number, since 2×70533632² = 9949986486222848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70533595 and 70533604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358 + ... + 11954.

Almost surely, 2^70533632 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 70533632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75892278).

70533632 is an abundant number, since it is smaller than the sum of its proper divisors (81250924).

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

70533632 is a wasteful number, since it uses less digits than its factorization.

70533632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10628 (or 10612 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 29.

The square root of 70533632 is about 8398.4303295318. The cubic root of 70533632 is about 413.1731417627.

The spelling of 70533632 in words is "seventy million, five hundred thirty-three thousand, six hundred thirty-two".