70789144 has 32 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 34043680.

The previous prime is 70789141. The next prime is 70789153. The reversal of 70789144 is 44198707.

It is a super-2 number, since 2×70789144² = 10022205816505472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70789097 and 70789106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70789141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20589 + ... + 23779.

It is an arithmetic number, because the mean of its divisors is an integer number (4309200).

Almost surely, 2^70789144 is an apocalyptic number.

It is an amenable number.

70789144 is a deficient number, since it is larger than the sum of its proper divisors (67105256).

70789144 is a wasteful number, since it uses less digits than its factorization.

70789144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303 (or 3299 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 70789144 is about 8413.6284681462. The cubic root of 70789144 is about 413.6714547432.

The spelling of 70789144 in words is "seventy million, seven hundred eighty-nine thousand, one hundred forty-four".