70897123 has 16 divisors (see below), whose sum is σ = 82252800. Its totient is φ = 60393600.

The previous prime is 70897117. The next prime is 70897129. The reversal of 70897123 is 32179807.

It is an interprime number because it is at equal distance from previous prime (70897117) and next prime (70897129).

It is a cyclic number.

It is not a de Polignac number, because 70897123 - 2⁵ = 70897091 is a prime.

It is a super-3 number, since 3×70897123³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (70897129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49978 + ... + 51376.

It is an arithmetic number, because the mean of its divisors is an integer number (5140800).

Almost surely, 2^70897123 is an apocalyptic number.

70897123 is a deficient number, since it is larger than the sum of its proper divisors (11355677).

70897123 is a wasteful number, since it uses less digits than its factorization.

70897123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 70897123 is about 8420.0429333822. The cubic root of 70897123 is about 413.8816806583.

The spelling of 70897123 in words is "seventy million, eight hundred ninety-seven thousand, one hundred twenty-three".