42201577 has 8 divisors (see below), whose sum is σ = 46297440. Its totient is φ = 38148960.

The previous prime is 42201557. The next prime is 42201581. The reversal of 42201577 is 77510224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42201577 - 2⁷ = 42201449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42201547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8748 + ... + 12685.

It is an arithmetic number, because the mean of its divisors is an integer number (5787180).

Almost surely, 2^42201577 is an apocalyptic number.

It is an amenable number.

42201577 is a deficient number, since it is larger than the sum of its proper divisors (4095863).

42201577 is a wasteful number, since it uses less digits than its factorization.

42201577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21623.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 42201577 is about 6496.2740859665. The cubic root of 42201577 is about 348.1578780054.

It can be divided in two parts, 42201 and 577, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 42201577 in words is "forty-two million, two hundred one thousand, five hundred seventy-seven".