70951445 has 6 divisors (see below), whose sum is σ = 85164342. Its totient is φ = 56746088.

The previous prime is 70951409. The next prime is 70951469. The reversal of 70951445 is 54415907.

It can be written as a sum of positive squares in only one way, i.e., 56761156 + 14190289 = 7534^2 + 3767^2 .

It is not a de Polignac number, because 70951445 - 2⁶ = 70951381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16952 + ... + 20718.

It is an arithmetic number, because the mean of its divisors is an integer number (14194057).

Almost surely, 2^70951445 is an apocalyptic number.

It is an amenable number.

70951445 is a deficient number, since it is larger than the sum of its proper divisors (14212897).

70951445 is an frugal number, since it uses more digits than its factorization.

70951445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7539 (or 3772 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 70951445 is about 8423.2680712417. The cubic root of 70951445 is about 413.9873602682.

The spelling of 70951445 in words is "seventy million, nine hundred fifty-one thousand, four hundred forty-five".