70771347 has 12 divisors (see below), whose sum is σ = 104911240. Its totient is φ = 47151756.

The previous prime is 70771319. The next prime is 70771367. The reversal of 70771347 is 74317707.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 70771347 - 2¹⁴ = 70754963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70771367) 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, 42904 + ... + 44522.

Almost surely, 2^70771347 is an apocalyptic number.

70771347 is a deficient number, since it is larger than the sum of its proper divisors (34139893).

70771347 is an frugal number, since it uses more digits than its factorization.

70771347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 28812, while the sum is 36.

The square root of 70771347 is about 8412.5707723620. The cubic root of 70771347 is about 413.6367849831.

Multiplying 70771347 by its product of nonzero digits (28812), we get a square (2039064049764 = 1427958²).

The spelling of 70771347 in words is "seventy million, seven hundred seventy-one thousand, three hundred forty-seven".