73407397 has 16 divisors (see below), whose sum is σ = 85819392. Its totient is φ = 61493040.

The previous prime is 73407359. The next prime is 73407419. The reversal of 73407397 is 79370437.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-73407397 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 (73407307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62538 + ... + 63700.

It is an arithmetic number, because the mean of its divisors is an integer number (5363712).

Almost surely, 2^73407397 is an apocalyptic number.

It is an amenable number.

73407397 is a deficient number, since it is larger than the sum of its proper divisors (12411995).

73407397 is a wasteful number, since it uses less digits than its factorization.

73407397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368.

The product of its (nonzero) digits is 111132, while the sum is 40.

The square root of 73407397 is about 8567.8116809370. The cubic root of 73407397 is about 418.7099436846.

The spelling of 73407397 in words is "seventy-three million, four hundred seven thousand, three hundred ninety-seven".