70653081 has 16 divisors (see below), whose sum is σ = 96272064. Its totient is φ = 46073664.

The previous prime is 70653053. The next prime is 70653101. The reversal of 70653081 is 18035607.

It is not a de Polignac number, because 70653081 - 2⁵ = 70653049 is a prime.

It is a super-2 number, since 2×70653081² = 9983715709585122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70653181) 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 15 ways as a sum of consecutive naturals, for example, 92955 + ... + 93711.

It is an arithmetic number, because the mean of its divisors is an integer number (6017004).

Almost surely, 2^70653081 is an apocalyptic number.

It is an amenable number.

70653081 is a deficient number, since it is larger than the sum of its proper divisors (25618983).

70653081 is a wasteful number, since it uses less digits than its factorization.

70653081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 70653081 is about 8405.5387096842. The cubic root of 70653081 is about 413.4062470370.

Adding to 70653081 its reverse (18035607), we get a palindrome (88688688).

The spelling of 70653081 in words is "seventy million, six hundred fifty-three thousand, eighty-one".