70440544 has 24 divisors (see below), whose sum is σ = 139020840. Its totient is φ = 35133696.

The previous prime is 70440541. The next prime is 70440553. The reversal of 70440544 is 44504407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70440541) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11692 + ... + 16660.

It is an arithmetic number, because the mean of its divisors is an integer number (5792535).

Almost surely, 2^70440544 is an apocalyptic number.

It is an amenable number.

70440544 is a deficient number, since it is larger than the sum of its proper divisors (68580296).

70440544 is a wasteful number, since it uses less digits than its factorization.

70440544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5422 (or 5414 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 70440544 is about 8392.8865118027. The cubic root of 70440544 is about 412.9912975710.

The spelling of 70440544 in words is "seventy million, four hundred forty thousand, five hundred forty-four".