70744307 has 4 divisors (see below), whose sum is σ = 70864200. Its totient is φ = 70624416.

The previous prime is 70744273. The next prime is 70744319. The reversal of 70744307 is 70344707.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70744307 - 2¹⁸ = 70482163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70744337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59057 + ... + 60242.

It is an arithmetic number, because the mean of its divisors is an integer number (17716050).

Almost surely, 2^70744307 is an apocalyptic number.

70744307 is a deficient number, since it is larger than the sum of its proper divisors (119893).

70744307 is a wasteful number, since it uses less digits than its factorization.

70744307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119892.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 70744307 is about 8410.9635000991. The cubic root of 70744307 is about 413.5840981076.

The spelling of 70744307 in words is "seventy million, seven hundred forty-four thousand, three hundred seven".