42073407 has 12 divisors (see below), whose sum is σ = 60862464. Its totient is φ = 28007520.

The previous prime is 42073399. The next prime is 42073433. The reversal of 42073407 is 70437024.

It is not a de Polignac number, because 42073407 - 2³ = 42073399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42073457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3778 + ... + 9920.

It is an arithmetic number, because the mean of its divisors is an integer number (5071872).

Almost surely, 2^42073407 is an apocalyptic number.

42073407 is a deficient number, since it is larger than the sum of its proper divisors (18789057).

42073407 is a wasteful number, since it uses less digits than its factorization.

42073407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6910 (or 6907 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 42073407 is about 6486.4016989391. The cubic root of 42073407 is about 347.8050582778.

The spelling of 42073407 in words is "forty-two million, seventy-three thousand, four hundred seven".