70444748 has 18 divisors (see below), whose sum is σ = 135505188. Its totient is φ = 32020120.

The previous prime is 70444739. The next prime is 70444763. The reversal of 70444748 is 84744407.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72290 + ... + 73257.

It is an arithmetic number, because the mean of its divisors is an integer number (7528066).

Almost surely, 2^70444748 is an apocalyptic number.

It is an amenable number.

70444748 is a deficient number, since it is larger than the sum of its proper divisors (65060440).

70444748 is a wasteful number, since it uses less digits than its factorization.

70444748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145573 (or 145560 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 38.

The square root of 70444748 is about 8393.1369582535. The cubic root of 70444748 is about 412.9995133928. Note that the first 3 decimals are identical.

The spelling of 70444748 in words is "seventy million, four hundred forty-four thousand, seven hundred forty-eight".