70553671 has 2 divisors, whose sum is σ = 70553672. Its totient is φ = 70553670.

The previous prime is 70553663. The next prime is 70553677. The reversal of 70553671 is 17635507.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70553671 - 2³ = 70553663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70553677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35276835 + 35276836.

It is an arithmetic number, because the mean of its divisors is an integer number (35276836).

Almost surely, 2^70553671 is an apocalyptic number.

70553671 is a deficient number, since it is larger than the sum of its proper divisors (1).

70553671 is an equidigital number, since it uses as much as digits as its factorization.

70553671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 70553671 is about 8399.6232653614. The cubic root of 70553671 is about 413.2122663259.

The spelling of 70553671 in words is "seventy million, five hundred fifty-three thousand, six hundred seventy-one".