70232156 has 18 divisors (see below), whose sum is σ = 128486232. Its totient is φ = 33588280.

The previous prime is 70232153. The next prime is 70232159. The reversal of 70232156 is 65123207.

It is an interprime number because it is at equal distance from previous prime (70232153) and next prime (70232159).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70232153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14480 + ... + 18711.

It is an arithmetic number, because the mean of its divisors is an integer number (7138124).

Almost surely, 2^70232156 is an apocalyptic number.

It is an amenable number.

70232156 is a deficient number, since it is larger than the sum of its proper divisors (58254076).

70232156 is a wasteful number, since it uses less digits than its factorization.

70232156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33241 (or 33216 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 70232156 is about 8380.4627557194. The cubic root of 70232156 is about 412.5836372802.

The spelling of 70232156 in words is "seventy million, two hundred thirty-two thousand, one hundred fifty-six".