70653443 has 12 divisors (see below), whose sum is σ = 83419272. Its totient is φ = 59653440.

The previous prime is 70653437. The next prime is 70653463. The reversal of 70653443 is 34435607.

It is not a de Polignac number, because 70653443 - 2⁶ = 70653379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70653403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7478 + ... + 14043.

It is an arithmetic number, because the mean of its divisors is an integer number (6951606).

Almost surely, 2^70653443 is an apocalyptic number.

70653443 is a deficient number, since it is larger than the sum of its proper divisors (12765829).

70653443 is a wasteful number, since it uses less digits than its factorization.

70653443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21602 (or 21595 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 70653443 is about 8405.5602430772. The cubic root of 70653443 is about 413.4069530822.

The spelling of 70653443 in words is "seventy million, six hundred fifty-three thousand, four hundred forty-three".