70545944 has 16 divisors (see below), whose sum is σ = 151170000. Its totient is φ = 30233952.

The previous prime is 70545931. The next prime is 70545947. The reversal of 70545944 is 44954507.

It is a super-2 number, since 2×70545944² = 9953460429702272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70545898 and 70545907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70545947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629819 + ... + 629930.

It is an arithmetic number, because the mean of its divisors is an integer number (9448125).

Almost surely, 2^70545944 is an apocalyptic number.

It is an amenable number.

70545944 is an abundant number, since it is smaller than the sum of its proper divisors (80624056).

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

70545944 is a wasteful number, since it uses less digits than its factorization.

70545944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259762 (or 1259758 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 70545944 is about 8399.1632916619. The cubic root of 70545944 is about 413.1971808470.

The spelling of 70545944 in words is "seventy million, five hundred forty-five thousand, nine hundred forty-four".