70734403 has 2 divisors, whose sum is σ = 70734404. Its totient is φ = 70734402.

The previous prime is 70734347. The next prime is 70734413. The reversal of 70734403 is 30443707.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70734403 - 2⁹ = 70733891 is a prime.

It is not a weakly prime, because it can be changed into another prime (70734413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35367201 + 35367202.

It is an arithmetic number, because the mean of its divisors is an integer number (35367202).

Almost surely, 2^70734403 is an apocalyptic number.

70734403 is a deficient number, since it is larger than the sum of its proper divisors (1).

70734403 is an equidigital number, since it uses as much as digits as its factorization.

70734403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 70734403 is about 8410.3747241131. The cubic root of 70734403 is about 413.5647970112.

It can be divided in two parts, 7073 and 4403, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 70734403 in words is "seventy million, seven hundred thirty-four thousand, four hundred three".