70216032 has 48 divisors (see below), whose sum is σ = 184775472. Its totient is φ = 23347200.

The previous prime is 70216031. The next prime is 70216037. The reversal of 70216032 is 23061207.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×70216032² = 9860582299650048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70216031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57088 + ... + 58304.

It is an arithmetic number, because the mean of its divisors is an integer number (3849489).

Almost surely, 2^70216032 is an apocalyptic number.

It is an amenable number.

70216032 is an abundant number, since it is smaller than the sum of its proper divisors (114559440).

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

70216032 is a wasteful number, since it uses less digits than its factorization.

70216032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831 (or 1823 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 70216032 is about 8379.5007011158. The cubic root of 70216032 is about 412.5520610141.

Adding to 70216032 its reverse (23061207), we get a palindrome (93277239).

The spelling of 70216032 in words is "seventy million, two hundred sixteen thousand, thirty-two".