70785053 has 4 divisors (see below), whose sum is σ = 73862688. Its totient is φ = 67707420.

The previous prime is 70785047. The next prime is 70785061. The reversal of 70785053 is 35058707.

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 70785053 - 2⁴ = 70785037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70784053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1538783 + ... + 1538828.

It is an arithmetic number, because the mean of its divisors is an integer number (18465672).

Almost surely, 2^70785053 is an apocalyptic number.

It is an amenable number.

70785053 is a deficient number, since it is larger than the sum of its proper divisors (3077635).

70785053 is a wasteful number, since it uses less digits than its factorization.

70785053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077634.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 70785053 is about 8413.3853471715. The cubic root of 70785053 is about 413.6634857128.

The spelling of 70785053 in words is "seventy million, seven hundred eighty-five thousand, fifty-three".