42276993 has 16 divisors (see below), whose sum is σ = 61648896. Its totient is φ = 25557840.

The previous prime is 42276991. The next prime is 42277003. The reversal of 42276993 is 39967224.

It is a happy number.

It is not a de Polignac number, because 42276993 - 2¹ = 42276991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42276991) 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, 13896 + ... + 16662.

It is an arithmetic number, because the mean of its divisors is an integer number (3853056).

Almost surely, 2^42276993 is an apocalyptic number.

It is an amenable number.

42276993 is a deficient number, since it is larger than the sum of its proper divisors (19371903).

42276993 is a wasteful number, since it uses less digits than its factorization.

42276993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244.

The product of its digits is 163296, while the sum is 42.

The square root of 42276993 is about 6502.0760530772. The cubic root of 42276993 is about 348.3651455319.

The spelling of 42276993 in words is "forty-two million, two hundred seventy-six thousand, nine hundred ninety-three".