70816992 has 48 divisors (see below), whose sum is σ = 189060480. Its totient is φ = 23203712.

The previous prime is 70816979. The next prime is 70817003. The reversal of 70816992 is 29961807.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588 + ... + 11915.

It is an arithmetic number, because the mean of its divisors is an integer number (3938760).

Almost surely, 2^70816992 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 70816992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94530240).

70816992 is an abundant number, since it is smaller than the sum of its proper divisors (118243488).

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

70816992 is a wasteful number, since it uses less digits than its factorization.

70816992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12575 (or 12567 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 70816992 is about 8415.2832394400. The cubic root of 70816992 is about 413.7256928732.

The spelling of 70816992 in words is "seventy million, eight hundred sixteen thousand, nine hundred ninety-two".