70685532 has 36 divisors (see below), whose sum is σ = 186448080. Its totient is φ = 22537152.

The previous prime is 70685521. The next prime is 70685543. The reversal of 70685532 is 23558607.

It is an interprime number because it is at equal distance from previous prime (70685521) and next prime (70685543).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 41857 + ... + 43512.

Almost surely, 2^70685532 is an apocalyptic number.

It is an amenable number.

70685532 is an abundant number, since it is smaller than the sum of its proper divisors (115762548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70685532 is a wasteful number, since it uses less digits than its factorization.

70685532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85402 (or 85397 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 70685532 is about 8407.4688224221. The cubic root of 70685532 is about 413.4695299236.

It can be divided in two parts, 70685 and 532, that added together give a palindrome (71217).

The spelling of 70685532 in words is "seventy million, six hundred eighty-five thousand, five hundred thirty-two".