70470743 has 4 divisors (see below), whose sum is σ = 80538000. Its totient is φ = 60403488.

The previous prime is 70470731. The next prime is 70470749. The reversal of 70470743 is 34707407.

It is a happy number.

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 70470743 - 2⁴ = 70470727 is a prime.

It is a super-2 number, since 2×70470743² = 9932251237944098, 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 (70470749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5033618 + ... + 5033631.

It is an arithmetic number, because the mean of its divisors is an integer number (20134500).

Almost surely, 2^70470743 is an apocalyptic number.

70470743 is a deficient number, since it is larger than the sum of its proper divisors (10067257).

70470743 is a wasteful number, since it uses less digits than its factorization.

70470743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10067256.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 70470743 is about 8394.6854020863. The cubic root of 70470743 is about 413.0503078209.

The spelling of 70470743 in words is "seventy million, four hundred seventy thousand, seven hundred forty-three".