70770343 has 4 divisors (see below), whose sum is σ = 80880400. Its totient is φ = 60660288.

The previous prime is 70770319. The next prime is 70770377. The reversal of 70770343 is 34307707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34307707 = 7 ⋅4901101.

It is a cyclic number.

It is not a de Polignac number, because 70770343 - 2¹³ = 70762151 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 (70770143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5055018 + ... + 5055031.

It is an arithmetic number, because the mean of its divisors is an integer number (20220100).

Almost surely, 2^70770343 is an apocalyptic number.

70770343 is a deficient number, since it is larger than the sum of its proper divisors (10110057).

70770343 is a wasteful number, since it uses less digits than its factorization.

70770343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110056.

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 70770343 is about 8412.5110995469. The cubic root of 70770343 is about 413.6348289500.

The spelling of 70770343 in words is "seventy million, seven hundred seventy thousand, three hundred forty-three".