70674439 has 16 divisors (see below), whose sum is σ = 78683904. Its totient is φ = 62942400.

The previous prime is 70674419. The next prime is 70674467. The reversal of 70674439 is 93447607.

It is a cyclic number.

It is not a de Polignac number, because 70674439 - 2²¹ = 68577287 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 (70674419) 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 15 ways as a sum of consecutive naturals, for example, 227094 + ... + 227404.

It is an arithmetic number, because the mean of its divisors is an integer number (4917744).

Almost surely, 2^70674439 is an apocalyptic number.

70674439 is a deficient number, since it is larger than the sum of its proper divisors (8009465).

70674439 is a wasteful number, since it uses less digits than its factorization.

70674439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 70674439 is about 8406.8090854973. The cubic root of 70674439 is about 413.4478995780.

The spelling of 70674439 in words is "seventy million, six hundred seventy-four thousand, four hundred thirty-nine".