70374643 has 2 divisors, whose sum is σ = 70374644. Its totient is φ = 70374642.

The previous prime is 70374599. The next prime is 70374653. The reversal of 70374643 is 34647307.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70374643 - 2⁹ = 70374131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70374599 and 70374608.

It is not a weakly prime, because it can be changed into another prime (70374653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35187321 + 35187322.

It is an arithmetic number, because the mean of its divisors is an integer number (35187322).

Almost surely, 2^70374643 is an apocalyptic number.

70374643 is a deficient number, since it is larger than the sum of its proper divisors (1).

70374643 is an equidigital number, since it uses as much as digits as its factorization.

70374643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 70374643 is about 8388.9595898419. The cubic root of 70374643 is about 412.8624653678.

It can be divided in two parts, 70374 and 643, that added together give a palindrome (71017).

The spelling of 70374643 in words is "seventy million, three hundred seventy-four thousand, six hundred forty-three".