70943965 has 16 divisors (see below), whose sum is σ = 88404480. Its totient is φ = 54596160.

The previous prime is 70943963. The next prime is 70943989. The reversal of 70943965 is 56934907.

It is not a de Polignac number, because 70943965 - 2¹ = 70943963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70943963) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26467 + ... + 29023.

It is an arithmetic number, because the mean of its divisors is an integer number (5525280).

Almost surely, 2^70943965 is an apocalyptic number.

It is an amenable number.

70943965 is a deficient number, since it is larger than the sum of its proper divisors (17460515).

70943965 is a wasteful number, since it uses less digits than its factorization.

70943965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 70943965 is about 8422.8240513500. The cubic root of 70943965 is about 413.9728116602.

The spelling of 70943965 in words is "seventy million, nine hundred forty-three thousand, nine hundred sixty-five".