70216370 has 16 divisors (see below), whose sum is σ = 144445248. Its totient is φ = 24074160.

The previous prime is 70216339. The next prime is 70216403. The reversal of 70216370 is 7361207.

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, 501476 + ... + 501615.

It is an arithmetic number, because the mean of its divisors is an integer number (9027828).

Almost surely, 2^70216370 is an apocalyptic number.

70216370 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70216370 is an abundant number, since it is smaller than the sum of its proper divisors (74228878).

70216370 is a wasteful number, since it uses less digits than its factorization.

70216370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003105.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 70216370 is about 8379.5208693576. The cubic root of 70216370 is about 412.5527229825.

Adding to 70216370 its reverse (7361207), we get a palindrome (77577577).

The spelling of 70216370 in words is "seventy million, two hundred sixteen thousand, three hundred seventy".