42350007 has 32 divisors (see below), whose sum is σ = 66898944. Its totient is φ = 23328000.

The previous prime is 42349997. The next prime is 42350017. The reversal of 42350007 is 70005324.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42349997) and next prime (42350017).

It is not a de Polignac number, because 42350007 - 2⁴ = 42349991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42350017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86718 + ... + 87204.

It is an arithmetic number, because the mean of its divisors is an integer number (2090592).

Almost surely, 2^42350007 is an apocalyptic number.

42350007 is a deficient number, since it is larger than the sum of its proper divisors (24548937).

42350007 is a wasteful number, since it uses less digits than its factorization.

42350007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 42350007 is about 6507.6882992350. The cubic root of 42350007 is about 348.5655768796.

The spelling of 42350007 in words is "forty-two million, three hundred fifty thousand, seven".