70444469 has 4 divisors (see below), whose sum is σ = 73507296. Its totient is φ = 67381644.

The previous prime is 70444463. The next prime is 70444477. The reversal of 70444469 is 96444407.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70444469 - 2⁴ = 70444453 is a prime.

It is a super-2 number, since 2×70444469² = 9924846425383922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70444463) 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, 1531379 + ... + 1531424.

It is an arithmetic number, because the mean of its divisors is an integer number (18376824).

Almost surely, 2^70444469 is an apocalyptic number.

It is an amenable number.

70444469 is a deficient number, since it is larger than the sum of its proper divisors (3062827).

70444469 is a wasteful number, since it uses less digits than its factorization.

70444469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062826.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 70444469 is about 8393.1203375145. The cubic root of 70444469 is about 412.9989681569.

The spelling of 70444469 in words is "seventy million, four hundred forty-four thousand, four hundred sixty-nine".