70066744 has 24 divisors (see below), whose sum is σ = 144406080. Its totient is φ = 31848080.

The previous prime is 70066723. The next prime is 70066747. The reversal of 70066744 is 44766007.

It is a super-2 number, since 2×70066744² = 9818697229523072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70066747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35224 + ... + 37159.

It is an arithmetic number, because the mean of its divisors is an integer number (6016920).

Almost surely, 2^70066744 is an apocalyptic number.

It is an amenable number.

70066744 is an abundant number, since it is smaller than the sum of its proper divisors (74339336).

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

70066744 is a wasteful number, since it uses less digits than its factorization.

70066744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72411 (or 72396 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 70066744 is about 8370.5880319127. The cubic root of 70066744 is about 412.2594745937.

The spelling of 70066744 in words is "seventy million, sixty-six thousand, seven hundred forty-four".