70946928 has 100 divisors (see below), whose sum is σ = 221188968. Its totient is φ = 21824640.

The previous prime is 70946921. The next prime is 70946951. The reversal of 70946928 is 82964907.

It is a happy number.

It is a Cunningham number, because it is equal to 8423²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70946921) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14743 + ... + 18953.

Almost surely, 2^70946928 is an apocalyptic number.

70946928 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70946928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110594484).

70946928 is an abundant number, since it is smaller than the sum of its proper divisors (150242040).

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

70946928 is a wasteful number, since it uses less digits than its factorization.

70946928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244 (or 4229 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 70946928 is about 8422.9999406387. Note that the first 4 decimals coincide. The cubic root of 70946928 is about 413.9785748207.

The spelling of 70946928 in words is "seventy million, nine hundred forty-six thousand, nine hundred twenty-eight".