70715423 has 4 divisors (see below), whose sum is σ = 70762008. Its totient is φ = 70668840.

The previous prime is 70715413. The next prime is 70715441. The reversal of 70715423 is 32451707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32451707 = 739 ⋅43913.

It is a cyclic number.

It is not a de Polignac number, because 70715423 - 2¹² = 70711327 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 (70715413) 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, 20936 + ... + 24077.

It is an arithmetic number, because the mean of its divisors is an integer number (17690502).

Almost surely, 2^70715423 is an apocalyptic number.

70715423 is a deficient number, since it is larger than the sum of its proper divisors (46585).

70715423 is a wasteful number, since it uses less digits than its factorization.

70715423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46584.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 70715423 is about 8409.2462801371. The cubic root of 70715423 is about 413.5278034046.

The spelling of 70715423 in words is "seventy million, seven hundred fifteen thousand, four hundred twenty-three".