70541664 has 48 divisors (see below), whose sum is σ = 186001200. Its totient is φ = 23408640.

The previous prime is 70541663. The next prime is 70541671. The reversal of 70541664 is 46614507.

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

It is a super-2 number, since 2×70541664² = 9952252719777792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70541663) 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, 21612 + ... + 24660.

It is an arithmetic number, because the mean of its divisors is an integer number (3875025).

Almost surely, 2^70541664 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 70541664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93000600).

70541664 is an abundant number, since it is smaller than the sum of its proper divisors (115459536).

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

70541664 is a wasteful number, since it uses less digits than its factorization.

70541664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303 (or 3295 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 70541664 is about 8398.9085005136. The cubic root of 70541664 is about 413.1888244974.

The spelling of 70541664 in words is "seventy million, five hundred forty-one thousand, six hundred sixty-four".