70528733 has 16 divisors (see below), whose sum is σ = 83462400. Its totient is φ = 58867200.

The previous prime is 70528727. The next prime is 70528747. The reversal of 70528733 is 33782507.

It is a cyclic number.

It is not a de Polignac number, because 70528733 - 2²⁴ = 53751517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70528693 and 70528702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70528753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3068 + ... + 12266.

It is an arithmetic number, because the mean of its divisors is an integer number (5216400).

Almost surely, 2^70528733 is an apocalyptic number.

It is an amenable number.

70528733 is a deficient number, since it is larger than the sum of its proper divisors (12933667).

70528733 is a wasteful number, since it uses less digits than its factorization.

70528733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9268.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 70528733 is about 8398.1386628229. The cubic root of 70528733 is about 413.1635757253.

The spelling of 70528733 in words is "seventy million, five hundred twenty-eight thousand, seven hundred thirty-three".