70084656 has 80 divisors (see below), whose sum is σ = 205031520. Its totient is φ = 22913280.

The previous prime is 70084649. The next prime is 70084681. The reversal of 70084656 is 65648007.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 70084656.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21366 + ... + 24426.

It is an arithmetic number, because the mean of its divisors is an integer number (2562894).

Almost surely, 2^70084656 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 70084656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102515760).

70084656 is an abundant number, since it is smaller than the sum of its proper divisors (134946864).

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

70084656 is a wasteful number, since it uses less digits than its factorization.

70084656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131 (or 3119 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 70084656 is about 8371.6579003206. The cubic root of 70084656 is about 412.2946018743.

It can be divided in two parts, 7008 and 4656, that added together give a square (11664 = 108²).

The spelling of 70084656 in words is "seventy million, eighty-four thousand, six hundred fifty-six".