70799623 has 4 divisors (see below), whose sum is σ = 71155600. Its totient is φ = 70443648.

The previous prime is 70799609. The next prime is 70799671. The reversal of 70799623 is 32699707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32699707 = 1609 ⋅20323.

It is a cyclic number.

It is not a de Polignac number, because 70799623 - 2⁵ = 70799591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70799623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70799693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177690 + ... + 178087.

It is an arithmetic number, because the mean of its divisors is an integer number (17788900).

Almost surely, 2^70799623 is an apocalyptic number.

70799623 is a deficient number, since it is larger than the sum of its proper divisors (355977).

70799623 is a wasteful number, since it uses less digits than its factorization.

70799623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355976.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 70799623 is about 8414.2511847460. The cubic root of 70799623 is about 413.6918658263.

The spelling of 70799623 in words is "seventy million, seven hundred ninety-nine thousand, six hundred twenty-three".