42736407 has 8 divisors (see below), whose sum is σ = 65122176. Its totient is φ = 24420792.

The previous prime is 42736373. The next prime is 42736411. The reversal of 42736407 is 70463724.

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

It is not a de Polignac number, because 42736407 - 2⁷ = 42736279 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42736427) 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, 1017513 + ... + 1017554.

It is an arithmetic number, because the mean of its divisors is an integer number (8140272).

Almost surely, 2^42736407 is an apocalyptic number.

42736407 is a deficient number, since it is larger than the sum of its proper divisors (22385769).

42736407 is a wasteful number, since it uses less digits than its factorization.

42736407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035077.

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 42736407 is about 6537.3088499779. The cubic root of 42736407 is about 349.6224691095.

The spelling of 42736407 in words is "forty-two million, seven hundred thirty-six thousand, four hundred seven".