70528743 has 12 divisors (see below), whose sum is σ = 103797720. Its totient is φ = 46131696.

The previous prime is 70528727. The next prime is 70528747. The reversal of 70528743 is 34782507.

It is not a de Polignac number, because 70528743 - 2⁴ = 70528727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70528698 and 70528707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70528747) 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, 73453 + ... + 74406.

It is an arithmetic number, because the mean of its divisors is an integer number (8649810).

Almost surely, 2^70528743 is an apocalyptic number.

70528743 is a deficient number, since it is larger than the sum of its proper divisors (33268977).

70528743 is a wasteful number, since it uses less digits than its factorization.

70528743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147918 (or 147915 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 70528743 is about 8398.1392581929. The cubic root of 70528743 is about 413.1635952523.

The spelling of 70528743 in words is "seventy million, five hundred twenty-eight thousand, seven hundred forty-three".