70780423 has 8 divisors (see below), whose sum is σ = 81256448. Its totient is φ = 60395544.

The previous prime is 70780417. The next prime is 70780429. The reversal of 70780423 is 32408707.

It is an interprime number because it is at equal distance from previous prime (70780417) and next prime (70780429).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70780423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70780429) 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, 21111 + ... + 24232.

It is an arithmetic number, because the mean of its divisors is an integer number (10157056).

Almost surely, 2^70780423 is an apocalyptic number.

70780423 is a deficient number, since it is larger than the sum of its proper divisors (10476025).

70780423 is a wasteful number, since it uses less digits than its factorization.

70780423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45573.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 70780423 is about 8413.1101858944. The cubic root of 70780423 is about 413.6544663713.

The spelling of 70780423 in words is "seventy million, seven hundred eighty thousand, four hundred twenty-three".