70446744 has 24 divisors (see below), whose sum is σ = 190793460. Its totient is φ = 23482224.

The previous prime is 70446743. The next prime is 70446757. The reversal of 70446744 is 44764407.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 70446699 and 70446708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70446743) by changing a digit.

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, 489142 + ... + 489285.

Almost surely, 2^70446744 is an apocalyptic number.

It is an amenable number.

70446744 is an abundant number, since it is smaller than the sum of its proper divisors (120346716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70446744 is a wasteful number, since it uses less digits than its factorization.

70446744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978439 (or 978432 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 70446744 is about 8393.2558640852. The cubic root of 70446744 is about 413.0034140349.

The spelling of 70446744 in words is "seventy million, four hundred forty-six thousand, seven hundred forty-four".