70232155 has 16 divisors (see below), whose sum is σ = 98138304. Its totient is φ = 47249280.

The previous prime is 70232153. The next prime is 70232159. The reversal of 70232155 is 55123207.

It is not a de Polignac number, because 70232155 - 2¹ = 70232153 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17076 + ... + 20785.

It is an arithmetic number, because the mean of its divisors is an integer number (6133644).

Almost surely, 2^70232155 is an apocalyptic number.

70232155 is a deficient number, since it is larger than the sum of its proper divisors (27906149).

70232155 is a wasteful number, since it uses less digits than its factorization.

70232155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37926.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 70232155 is about 8380.4626960568. The cubic root of 70232155 is about 412.5836353220.

It can be divided in two parts, 702321 and 55, that multiplied together give a triangular number (38627655 = T₈₇₈₉).

The spelling of 70232155 in words is "seventy million, two hundred thirty-two thousand, one hundred fifty-five".