8142407 has 8 divisors (see below), whose sum is σ = 10021536. Its totient is φ = 6442272.

The previous prime is 8142401. The next prime is 8142467. The reversal of 8142407 is 7042418.

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 8142407 - 2⁸ = 8142151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8142401) 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, 44648 + ... + 44829.

It is an arithmetic number, because the mean of its divisors is an integer number (1252692).

Almost surely, 2^8142407 is an apocalyptic number.

8142407 is a deficient number, since it is larger than the sum of its proper divisors (1879129).

8142407 is a wasteful number, since it uses less digits than its factorization.

8142407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89497.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 8142407 is about 2853.4903188902. The cubic root of 8142407 is about 201.1797522400.

The spelling of 8142407 in words is "eight million, one hundred forty-two thousand, four hundred seven".