70565436 has 36 divisors (see below), whose sum is σ = 188867952. Its totient is φ = 22137984.

The previous prime is 70565431. The next prime is 70565437. The reversal of 70565436 is 63456507.

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 an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 70565436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70565431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57040 + ... + 58263.

It is an arithmetic number, because the mean of its divisors is an integer number (5246332).

Almost surely, 2^70565436 is an apocalyptic number.

It is an amenable number.

70565436 is an abundant number, since it is smaller than the sum of its proper divisors (118302516).

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

70565436 is a wasteful number, since it uses less digits than its factorization.

70565436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115330 (or 115325 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 70565436 is about 8400.3235651968. The cubic root of 70565436 is about 413.2352331068.

The spelling of 70565436 in words is "seventy million, five hundred sixty-five thousand, four hundred thirty-six".