70061553 has 6 divisors (see below), whose sum is σ = 101200034. Its totient is φ = 46707696.

The previous prime is 70061533. The next prime is 70061587. The reversal of 70061553 is 35516007.

It can be written as a sum of positive squares in only one way, i.e., 62916624 + 7144929 = 7932^2 + 2673^2 .

It is not a de Polignac number, because 70061553 - 2¹⁸ = 69799409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70061503) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3892300 + ... + 3892317.

Almost surely, 2^70061553 is an apocalyptic number.

It is an amenable number.

70061553 is a deficient number, since it is larger than the sum of its proper divisors (31138481).

70061553 is a wasteful number, since it uses less digits than its factorization.

70061553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7784623 (or 7784620 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 70061553 is about 8370.2779523741. The cubic root of 70061553 is about 412.2492933880.

The spelling of 70061553 in words is "seventy million, sixty-one thousand, five hundred fifty-three".