70885953 has 6 divisors (see below), whose sum is σ = 102390834. Its totient is φ = 47257296.

The previous prime is 70885921. The next prime is 70885981. The reversal of 70885953 is 35958807.

It can be written as a sum of positive squares in only one way, i.e., 62916624 + 7969329 = 7932^2 + 2823^2 .

It is not a de Polignac number, because 70885953 - 2⁵ = 70885921 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70885899 and 70885908.

It is not an unprimeable number, because it can be changed into a prime (70885453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3938100 + ... + 3938117.

It is an arithmetic number, because the mean of its divisors is an integer number (17065139).

Almost surely, 2^70885953 is an apocalyptic number.

It is an amenable number.

70885953 is a deficient number, since it is larger than the sum of its proper divisors (31504881).

70885953 is a wasteful number, since it uses less digits than its factorization.

70885953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7876223 (or 7876220 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 70885953 is about 8419.3796089736. The cubic root of 70885953 is about 413.8599435224.

It can be divided in two parts, 7088 and 5953, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 70885953 in words is "seventy million, eight hundred eighty-five thousand, nine hundred fifty-three".