70723975 has 24 divisors (see below), whose sum is σ = 102680928. Its totient is φ = 47308800.

The previous prime is 70723943. The next prime is 70723979. The reversal of 70723975 is 57932707.

It is not a de Polignac number, because 70723975 - 2⁵ = 70723943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70723979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2247 + ... + 12103.

It is an arithmetic number, because the mean of its divisors is an integer number (4278372).

Almost surely, 2^70723975 is an apocalyptic number.

70723975 is a deficient number, since it is larger than the sum of its proper divisors (31956953).

70723975 is a wasteful number, since it uses less digits than its factorization.

70723975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9915 (or 9910 counting only the distinct ones).

The product of its (nonzero) digits is 92610, while the sum is 40.

The square root of 70723975 is about 8409.7547526667. The cubic root of 70723975 is about 413.5444727867.

The spelling of 70723975 in words is "seventy million, seven hundred twenty-three thousand, nine hundred seventy-five".