70912216 has 16 divisors (see below), whose sum is σ = 133560000. Its totient is φ = 35296224.

The previous prime is 70912213. The next prime is 70912249. The reversal of 70912216 is 61221907.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70912213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18091 + ... + 21658.

It is an arithmetic number, because the mean of its divisors is an integer number (8347500).

Almost surely, 2^70912216 is an apocalyptic number.

It is an amenable number.

70912216 is a deficient number, since it is larger than the sum of its proper divisors (62647784).

70912216 is a wasteful number, since it uses less digits than its factorization.

70912216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39978 (or 39974 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 70912216 is about 8420.9391400247. The cubic root of 70912216 is about 413.9110484366.

The spelling of 70912216 in words is "seventy million, nine hundred twelve thousand, two hundred sixteen".