70946656 has 72 divisors (see below), whose sum is σ = 156251592. Its totient is φ = 31680000.

The previous prime is 70946653. The next prime is 70946663. The reversal of 70946656 is 65664907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70946653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282531 + ... + 282781.

It is an arithmetic number, because the mean of its divisors is an integer number (2170161).

Almost surely, 2^70946656 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 70946656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78125796).

70946656 is an abundant number, since it is smaller than the sum of its proper divisors (85304936).

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

70946656 is a wasteful number, since it uses less digits than its factorization.

70946656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 70946656 is about 8422.9837943570. The cubic root of 70946656 is about 413.9780457758.

The spelling of 70946656 in words is "seventy million, nine hundred forty-six thousand, six hundred fifty-six".