70332172 has 24 divisors (see below), whose sum is σ = 124740000. Its totient is φ = 34695936.

The previous prime is 70332169. The next prime is 70332173. The reversal of 70332172 is 27123307.

It is a super-2 number, since 2×70332172² = 9893228836475168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70332173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118308 + ... + 118900.

It is an arithmetic number, because the mean of its divisors is an integer number (5197500).

Almost surely, 2^70332172 is an apocalyptic number.

It is an amenable number.

70332172 is a deficient number, since it is larger than the sum of its proper divisors (54407828).

70332172 is a wasteful number, since it uses less digits than its factorization.

70332172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 70332172 is about 8386.4278450363. The cubic root of 70332172 is about 412.7793946784.

Adding to 70332172 its reverse (27123307), we get a palindrome (97455479).

The spelling of 70332172 in words is "seventy million, three hundred thirty-two thousand, one hundred seventy-two".