70444911 has 4 divisors (see below), whose sum is σ = 93926552. Its totient is φ = 46963272.

The previous prime is 70444909. The next prime is 70444919. The reversal of 70444911 is 11944407.

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

It is not a de Polignac number, because 70444911 - 2¹ = 70444909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70444919) 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, 11740816 + ... + 11740821.

It is an arithmetic number, because the mean of its divisors is an integer number (23481638).

Almost surely, 2^70444911 is an apocalyptic number.

70444911 is a deficient number, since it is larger than the sum of its proper divisors (23481641).

70444911 is a wasteful number, since it uses less digits than its factorization.

70444911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23481640.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 70444911 is about 8393.1466685624. The cubic root of 70444911 is about 412.9998319350. Note that the first 3 decimals are identical.

The spelling of 70444911 in words is "seventy million, four hundred forty-four thousand, nine hundred eleven".