70077443 has 8 divisors (see below), whose sum is σ = 71169840. Its totient is φ = 68992000.

The previous prime is 70077407. The next prime is 70077461. The reversal of 70077443 is 34477007.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70077443 - 2¹⁸ = 69815299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70077463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20771 + ... + 23907.

It is an arithmetic number, because the mean of its divisors is an integer number (8896230).

Almost surely, 2^70077443 is an apocalyptic number.

70077443 is a deficient number, since it is larger than the sum of its proper divisors (1092397).

70077443 is a wasteful number, since it uses less digits than its factorization.

70077443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477.

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

The square root of 70077443 is about 8371.2270904569. The cubic root of 70077443 is about 412.2804571568.

The spelling of 70077443 in words is "seventy million, seventy-seven thousand, four hundred forty-three".