42670801 has 2 divisors, whose sum is σ = 42670802. Its totient is φ = 42670800.

The previous prime is 42670739. The next prime is 42670813. The reversal of 42670801 is 10807624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33814225 + 8856576 = 5815^2 + 2976^2 .

It is a cyclic number.

It is not a de Polignac number, because 42670801 - 2⁷ = 42670673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42670801.

It is not a weakly prime, because it can be changed into another prime (42670841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21335400 + 21335401.

It is an arithmetic number, because the mean of its divisors is an integer number (21335401).

Almost surely, 2^42670801 is an apocalyptic number.

It is an amenable number.

42670801 is a deficient number, since it is larger than the sum of its proper divisors (1).

42670801 is an equidigital number, since it uses as much as digits as its factorization.

42670801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 42670801 is about 6532.2891087275. The cubic root of 42670801 is about 349.4434720076.

The spelling of 42670801 in words is "forty-two million, six hundred seventy thousand, eight hundred one".