70733057 has 4 divisors (see below), whose sum is σ = 71273136. Its totient is φ = 70192980.

The previous prime is 70733051. The next prime is 70733071. The reversal of 70733057 is 75033707.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70733057 - 2¹² = 70728961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70733051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269843 + ... + 270104.

It is an arithmetic number, because the mean of its divisors is an integer number (17818284).

Almost surely, 2^70733057 is an apocalyptic number.

It is an amenable number.

70733057 is a deficient number, since it is larger than the sum of its proper divisors (540079).

70733057 is a wasteful number, since it uses less digits than its factorization.

70733057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540078.

The product of its (nonzero) digits is 15435, while the sum is 32.

The square root of 70733057 is about 8410.2947035166. The cubic root of 70733057 is about 413.5621737627.

The spelling of 70733057 in words is "seventy million, seven hundred thirty-three thousand, fifty-seven".