70424623 has 2 divisors, whose sum is σ = 70424624. Its totient is φ = 70424622.

The previous prime is 70424617. The next prime is 70424657. The reversal of 70424623 is 32642407.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70424623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70424591 and 70424600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70424603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35212311 + 35212312.

It is an arithmetic number, because the mean of its divisors is an integer number (35212312).

Almost surely, 2^70424623 is an apocalyptic number.

70424623 is a deficient number, since it is larger than the sum of its proper divisors (1).

70424623 is an equidigital number, since it uses as much as digits as its factorization.

70424623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 70424623 is about 8391.9379764152. The cubic root of 70424623 is about 412.9601804070.

The spelling of 70424623 in words is "seventy million, four hundred twenty-four thousand, six hundred twenty-three".