70920273787 has 8 divisors (see below), whose sum is σ = 81918605232. Its totient is φ = 60680448000.

The previous prime is 70920273763. The next prime is 70920273793. The reversal of 70920273787 is 78737202907.

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

It is a cyclic number.

It is not a de Polignac number, because 70920273787 - 2²³ = 70911885179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70920273187) 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, 189626214 + ... + 189626587.

It is an arithmetic number, because the mean of its divisors is an integer number (10239825654).

Almost surely, 2^70920273787 is an apocalyptic number.

70920273787 is a deficient number, since it is larger than the sum of its proper divisors (10998331445).

70920273787 is a wasteful number, since it uses less digits than its factorization.

70920273787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379252829.

The product of its (nonzero) digits is 2074464, while the sum is 52.

The spelling of 70920273787 in words is "seventy billion, nine hundred twenty million, two hundred seventy-three thousand, seven hundred eighty-seven".