70478560 has 48 divisors (see below), whose sum is σ = 167756400. Its totient is φ = 27979776.

The previous prime is 70478519. The next prime is 70478561. The reversal of 70478560 is 6587407.

It is a happy number.

It is a super-3 number, since 3×70478560³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70478561) 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, 20656 + ... + 23824.

It is an arithmetic number, because the mean of its divisors is an integer number (3494925).

Almost surely, 2^70478560 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 70478560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83878200).

70478560 is an abundant number, since it is smaller than the sum of its proper divisors (97277840).

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

70478560 is a wasteful number, since it uses less digits than its factorization.

70478560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323 (or 3315 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 70478560 is about 8395.1509813701. The cubic root of 70478560 is about 413.0655798555.

The spelling of 70478560 in words is "seventy million, four hundred seventy-eight thousand, five hundred sixty".