73842407 has 4 divisors (see below), whose sum is σ = 78186096. Its totient is φ = 69498720.

The previous prime is 73842401. The next prime is 73842469. The reversal of 73842407 is 70424837.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 73842407 - 2¹⁴ = 73826023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73842401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2171819 + ... + 2171852.

It is an arithmetic number, because the mean of its divisors is an integer number (19546524).

Almost surely, 2^73842407 is an apocalyptic number.

73842407 is a deficient number, since it is larger than the sum of its proper divisors (4343689).

73842407 is a wasteful number, since it uses less digits than its factorization.

73842407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343688.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 73842407 is about 8593.1604779615. The cubic root of 73842407 is about 419.5354027372.

The spelling of 73842407 in words is "seventy-three million, eight hundred forty-two thousand, four hundred seven".