70705944 has 48 divisors (see below), whose sum is σ = 198104400. Its totient is φ = 22755264.

The previous prime is 70705937. The next prime is 70705951. The reversal of 70705944 is 44950707.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70705937) and next prime (70705951).

It is a super-2 number, since 2×70705944² = 9998661033862272, which contains 22 as substring.

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 = 70705899 and 70705908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14844 + ... + 19019.

It is an arithmetic number, because the mean of its divisors is an integer number (4127175).

Almost surely, 2^70705944 is an apocalyptic number.

It is an amenable number.

70705944 is an abundant number, since it is smaller than the sum of its proper divisors (127398456).

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

70705944 is a wasteful number, since it uses less digits than its factorization.

70705944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33904 (or 33897 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 70705944 is about 8408.6826554461. The cubic root of 70705944 is about 413.5093255628.

The spelling of 70705944 in words is "seventy million, seven hundred five thousand, nine hundred forty-four".