70869955 has 16 divisors (see below), whose sum is σ = 92161440. Its totient is φ = 52005888.

The previous prime is 70869949. The next prime is 70869959. The reversal of 70869955 is 55996807.

It is a cyclic number.

It is not a de Polignac number, because 70869955 - 2²³ = 62481347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70869899 and 70869908.

It is not an unprimeable number, because it can be changed into a prime (70869959) 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 15 ways as a sum of consecutive naturals, for example, 7251 + ... + 13939.

It is an arithmetic number, because the mean of its divisors is an integer number (5760090).

Almost surely, 2^70869955 is an apocalyptic number.

70869955 is a deficient number, since it is larger than the sum of its proper divisors (21291485).

70869955 is a wasteful number, since it uses less digits than its factorization.

70869955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6870.

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 70869955 is about 8418.4294853613. The cubic root of 70869955 is about 413.8288069843.

It can be divided in two parts, 70869 and 955, that added together give a square (71824 = 268²).

The spelling of 70869955 in words is "seventy million, eight hundred sixty-nine thousand, nine hundred fifty-five".