70202645 has 16 divisors (see below), whose sum is σ = 85942080. Its totient is φ = 55041024.

The previous prime is 70202597. The next prime is 70202677. The reversal of 70202645 is 54620207.

It is a cyclic number.

It is not a de Polignac number, because 70202645 - 2¹² = 70198549 is a prime.

It is a super-2 number, since 2×70202645² = 9856822729992050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57077 + ... + 58293.

It is an arithmetic number, because the mean of its divisors is an integer number (5371380).

Almost surely, 2^70202645 is an apocalyptic number.

It is an amenable number.

70202645 is a deficient number, since it is larger than the sum of its proper divisors (15739435).

70202645 is a wasteful number, since it uses less digits than its factorization.

70202645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 70202645 is about 8378.7018684281. The cubic root of 70202645 is about 412.5258410503.

The spelling of 70202645 in words is "seventy million, two hundred two thousand, six hundred forty-five".