70379928 has 80 divisors (see below), whose sum is σ = 198328680. Its totient is φ = 23317632.

The previous prime is 70379927. The next prime is 70379929. The reversal of 70379928 is 82997307.

It is an interprime number because it is at equal distance from previous prime (70379927) and next prime (70379929).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70379927) 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, 202651 + ... + 202997.

Almost surely, 2^70379928 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 70379928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99164340).

70379928 is an abundant number, since it is smaller than the sum of its proper divisors (127948752).

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

70379928 is a wasteful number, since it uses less digits than its factorization.

70379928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 70379928 is about 8389.2745812734. The cubic root of 70379928 is about 412.8728001675.

The spelling of 70379928 in words is "seventy million, three hundred seventy-nine thousand, nine hundred twenty-eight".