70449359 has 4 divisors (see below), whose sum is σ = 74157240. Its totient is φ = 66741480.

The previous prime is 70449341. The next prime is 70449413. The reversal of 70449359 is 95394407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95394407 = 5011 ⋅19037.

It is a cyclic number.

It is not a de Polignac number, because 70449359 - 2¹⁶ = 70383823 is a prime.

It is a super-2 number, since 2×70449359² = 9926224367021762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70449259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853912 + ... + 1853949.

It is an arithmetic number, because the mean of its divisors is an integer number (18539310).

Almost surely, 2^70449359 is an apocalyptic number.

70449359 is a deficient number, since it is larger than the sum of its proper divisors (3707881).

70449359 is a wasteful number, since it uses less digits than its factorization.

70449359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707880.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 70449359 is about 8393.4116424729. The cubic root of 70449359 is about 413.0085242335.

The spelling of 70449359 in words is "seventy million, four hundred forty-nine thousand, three hundred fifty-nine".