70334479 has 4 divisors (see below), whose sum is σ = 70470000. Its totient is φ = 70198960.

The previous prime is 70334399. The next prime is 70334489. The reversal of 70334479 is 97443307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97443307 = 13 ⋅7495639.

It is a cyclic number.

It is not a de Polignac number, because 70334479 - 2⁷ = 70334351 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 (70334489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66979 + ... + 68020.

It is an arithmetic number, because the mean of its divisors is an integer number (17617500).

Almost surely, 2^70334479 is an apocalyptic number.

70334479 is a deficient number, since it is larger than the sum of its proper divisors (135521).

70334479 is a wasteful number, since it uses less digits than its factorization.

70334479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135520.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 70334479 is about 8386.5653875708. The cubic root of 70334479 is about 412.7839078887.

The spelling of 70334479 in words is "seventy million, three hundred thirty-four thousand, four hundred seventy-nine".