70947135 has 48 divisors (see below), whose sum is σ = 142371840. Its totient is φ = 32011200.

The previous prime is 70947133. The next prime is 70947139. The reversal of 70947135 is 53174907.

It is a happy number.

It is not a de Polignac number, because 70947135 - 2¹ = 70947133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70947135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70947131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23460 + ... + 26310.

It is an arithmetic number, because the mean of its divisors is an integer number (2966080).

Almost surely, 2^70947135 is an apocalyptic number.

70947135 is an abundant number, since it is smaller than the sum of its proper divisors (71424705).

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

70947135 is a wasteful number, since it uses less digits than its factorization.

70947135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948 (or 2945 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 70947135 is about 8423.0122284133. The cubic root of 70947135 is about 413.9789774384.

The spelling of 70947135 in words is "seventy million, nine hundred forty-seven thousand, one hundred thirty-five".