42750207 has 16 divisors (see below), whose sum is σ = 65046880. Its totient is φ = 27729216.

The previous prime is 42750181. The next prime is 42750233. The reversal of 42750207 is 70205724.

It is an interprime number because it is at equal distance from previous prime (42750181) and next prime (42750233).

It is not a de Polignac number, because 42750207 - 2⁶ = 42750143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42751207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20398 + ... + 22395.

It is an arithmetic number, because the mean of its divisors is an integer number (4065430).

Almost surely, 2^42750207 is an apocalyptic number.

42750207 is a deficient number, since it is larger than the sum of its proper divisors (22296673).

42750207 is a wasteful number, since it uses less digits than its factorization.

42750207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42839 (or 42833 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 42750207 is about 6538.3642449775. The cubic root of 42750207 is about 349.6600972209.

The spelling of 42750207 in words is "forty-two million, seven hundred fifty thousand, two hundred seven".