70261339 has 4 divisors (see below), whose sum is σ = 70278400. Its totient is φ = 70244280.

The previous prime is 70261337. The next prime is 70261349. The reversal of 70261339 is 93316207.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70261339 - 2¹ = 70261337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70261339.

It is not an unprimeable number, because it can be changed into a prime (70261337) 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, 1894 + ... + 12004.

It is an arithmetic number, because the mean of its divisors is an integer number (17569600).

Almost surely, 2^70261339 is an apocalyptic number.

70261339 is a deficient number, since it is larger than the sum of its proper divisors (17061).

70261339 is a wasteful number, since it uses less digits than its factorization.

70261339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17060.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 70261339 is about 8382.2037078563. The cubic root of 70261339 is about 412.6407752147.

The spelling of 70261339 in words is "seventy million, two hundred sixty-one thousand, three hundred thirty-nine".