70723479 has 8 divisors (see below), whose sum is σ = 94399360. Its totient is φ = 47098296.

The previous prime is 70723441. The next prime is 70723487. The reversal of 70723479 is 97432707.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70723479 - 2⁷ = 70723351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70723879) 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, 9289 + ... + 15090.

It is an arithmetic number, because the mean of its divisors is an integer number (11799920).

Almost surely, 2^70723479 is an apocalyptic number.

70723479 is a deficient number, since it is larger than the sum of its proper divisors (23675881).

70723479 is a wasteful number, since it uses less digits than its factorization.

70723479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25349.

The product of its (nonzero) digits is 74088, while the sum is 39.

The square root of 70723479 is about 8409.7252630511. The cubic root of 70723479 is about 413.5435060305.

The spelling of 70723479 in words is "seventy million, seven hundred twenty-three thousand, four hundred seventy-nine".