70609632 has 96 divisors (see below), whose sum is σ = 195810048. Its totient is φ = 22235136.

The previous prime is 70609613. The next prime is 70609633. The reversal of 70609632 is 23690607.

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

It is a junction number, because it is equal to n+sod(n) for n = 70609593 and 70609602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70609633) 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, 249363 + ... + 249645.

It is an arithmetic number, because the mean of its divisors is an integer number (2039688).

Almost surely, 2^70609632 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 70609632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97905024).

70609632 is an abundant number, since it is smaller than the sum of its proper divisors (125200416).

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

70609632 is a wasteful number, since it uses less digits than its factorization.

70609632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 70609632 is about 8402.9537663848. The cubic root of 70609632 is about 413.3214865376.

The spelling of 70609632 in words is "seventy million, six hundred nine thousand, six hundred thirty-two".