70941915 has 72 divisors (see below), whose sum is σ = 141933168. Its totient is φ = 32503680.

The previous prime is 70941889. The next prime is 70941929. The reversal of 70941915 is 51914907.

It is a de Polignac number, because none of the positive numbers 2^k-70941915 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70941915.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 178497 + ... + 178893.

It is an arithmetic number, because the mean of its divisors is an integer number (1971294).

Almost surely, 2^70941915 is an apocalyptic number.

70941915 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

70941915 is a wasteful number, since it uses less digits than its factorization.

70941915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 70941915 is about 8422.7023573198. The cubic root of 70941915 is about 413.9688242295.

It can be divided in two parts, 7094 and 1915, that added together give a palindrome (9009).

The spelling of 70941915 in words is "seventy million, nine hundred forty-one thousand, nine hundred fifteen".